Condenser tumble dryer door water container
The door water container in Hoover and Candy condenser tumble dryers is prone to cracking or splitting, most likely due to a combination of thermal stress, the weight of water when full, and the physical handling involved in emptying it regularly. Replacement is a simple user job – the container lifts straight in and out. The same part fits Hoover, Candy, and Ostein condenser dryers of this design, as all are made by the same manufacturer.
What is the door water container?
Condenser tumble dryers do not exhaust damp air through a vent hose. Instead, they condense the moisture from the drying process into water, which is collected and stored. On Hoover and Candy condenser dryers of this design, the water is collected in a plastic container built into the door itself rather than in a separate tank inside the machine.
This container needs to be removed and emptied after every cycle, or when the machine indicates it is full. When full, it holds around 6 litres of water, making it a relatively heavy item to lift and carry. The container is designed to be easily removable by the user, with a handle at the top.
Why do these containers fail?
A water container fitted inside a tumble dryer door is subject to a combination of stresses that plastic components do not typically have to cope with elsewhere in an appliance. There are several likely contributing causes.
Thermal cyclingThe container sits inside the door of an appliance that heats significantly during use and then cools down after each cycle. Repeated heating and cooling causes plastic to expand and contract. Over time this thermal cycling can stress the plastic, particularly at joins, seams, and the base of the container where the material is thinnest.
Weight of water when fullA full container weighs approximately 6kg. This weight is supported by the container’s handle and structure every time it is removed for emptying. The combination of weight stress and thermal weakening of the plastic accelerates fatigue, particularly at the base and lower seams where cracks most commonly appear.
Hot handle if door opened mid-cycleIf the dryer door is opened before the cycle has finished, the handle on the container can be very hot, hot enough to cause an instinctive reaction. A heavy container with a hot handle is a combination that is likely to result in the container being dropped on occasion. Impact damage from being dropped is a plausible cause of the cracking and splitting reported at the base.
Material qualityThe container should be designed to handle the stresses described above across many years of use. That some of these containers fail relatively early suggests the material specification or manufacturing quality may not always be adequate for the conditions the part is subjected to.
If the door is opened during or immediately after a cycle, the container handle may be very hot. Waiting a few minutes reduces this risk and makes the container easier and safer to handle.
How do you replace the water container?
Replacement is one of the more straightforward repairs on any appliance. The container is designed to be removed and refitted by the user – it requires no tools and no disassembly of the machine.
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Open the door and let the machine cool. Allow the dryer to cool if it has been running recently. This makes the handle safe to touch.
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Lift the container out. Grip the handle at the top of the water container and lift it straight up and out of its recess in the door. It should come free without resistance.
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Note the orientation. Note the orientation and the shape of the recess. The new container drops into the same position.
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Fit the new container. Lower the new container into the door recess until it seats firmly. No clips or fasteners are involved.
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Test before normal use. Run a short cycle and check for any sign of leakage from the container or its housing before returning to normal use.
Which replacement part do you need?
Hoover, Candy, and Ostein condenser dryers of this door-collection design are all manufactured by the same parent company and share the same core design. The water container is the same physical part across all three brands, even though separate entries appear in spare parts databases for each brand name.
Good news on compatibility
If you have a condenser tumble dryer of this type made by Hoover, Candy, or Ostein, the same water container part should fit regardless of which brand name appears on the machine. The underlying design is shared. This means the part is generally easy to source.
Always verify your model number
Despite the shared design, it is worth confirming compatibility before ordering. Enter your dryer’s full model number on the spare parts site to confirm the part is listed as compatible with your specific model. The model number is usually on a label inside the door opening or on the rear of the machine.
See our spare parts guide for recommended UK suppliers where you can check compatibility by model number before ordering.
How do you reduce the risk of future damage?
- Let the dryer complete its cycle before opening the door. This allows the container to cool and makes the handle safe to touch before you lift it out.
- Empty the container regularly. A nearly full container is heavier and more likely to be dropped. Emptying it more frequently keeps the weight manageable.
- Use both hands when removing a full container. A 6kg container with a single top handle is awkward to carry one-handed. Support the base with your other hand when carrying it to empty.
- Inspect the container regularly for early signs of cracking. A hairline crack caught early can be monitored. A fully split base means water on the floor and potential damage to the machine. Replace at the first sign of structural damage.
Need a replacement water container?
Find the correct part for your Hoover, Candy, or Ostein condenser dryer through our spare parts guide. You can verify compatibility by model number before ordering.
Frequently asked questions about the Hoover and Candy door water container
Why has the water container in my Hoover or Candy dryer cracked?
The most likely causes are a combination of thermal stress from repeated heating and cooling cycles, the weight of the container when full (approximately 6kg), and physical impact from being dropped – particularly likely if the door was opened while the dryer was still running, as the handle can be very hot. The plastic may also not be of a sufficiently durable grade for the conditions it is subjected to.
Is the door water container easy to replace?
Yes, it is one of the most straightforward replacements on any appliance. The container is designed to be user-removable without tools. It lifts straight out of the door and the replacement drops straight in. No disassembly is required.
Will the same replacement part fit Hoover, Candy, and Ostein dryers?
In most cases, yes. All three brands produce condenser dryers of this design from the same manufacturer and share the same water container part. Even where different part numbers appear in spare parts databases for each brand, the physical component is typically identical. Always verify compatibility using your machine’s full model number before ordering to confirm this applies to your specific model.
Where do I find my dryer’s model number?
The model number label is usually on the inside of the door opening (visible when the door is open), on the rear of the machine, or sometimes on the top edge of the machine. Note the full model number including any suffix letters or numbers before searching for parts.
How heavy is the water container when full?
Approximately 6kg at maximum capacity. This makes it a reasonably heavy item to lift and carry, particularly with a single top handle. Supporting the base with your other hand when carrying a full container to empty it reduces the risk of dropping it.
How can I avoid the container cracking or breaking again?
Allow the dryer to complete its cycle before opening the door – this ensures the container and handle have cooled. Empty the container regularly rather than letting it reach maximum capacity, which reduces the weight each time you handle it. Use both hands when carrying a full container. Inspect it periodically for hairline cracks and replace it before a small crack becomes a split.
Can I plumb my condenser dryer directly to drain instead of emptying the container?
Many Hoover and Candy condenser dryers can be plumbed to a drain so the water is discharged automatically rather than collected in the door container. This eliminates the need to empty the container manually and removes the main cause of container damage entirely. Check your dryer’s user manual or model documentation for whether your machine supports this and what fittings are required. Some models come with the necessary outlet hose included; others need a kit purchased separately. If your dryer can be plumbed and is located near suitable drainage, this is well worth doing.
Tumble dryer drum not turning
A broken or dislodged drive belt is by far the most common cause of a tumble dryer drum that does not turn. If the machine sounds like it is running but the drum is not moving, the belt is the first thing to check. If the machine is silent or making a gentle hum with no drum movement, a motor or capacitor fault is more likely.
Tumble dryer start capacitors can retain a dangerous electrical charge after the machine has been unplugged. Do not touch any capacitor or components near it without waiting at least 5 minutes after unplugging. See our guide on electric shock risk from unplugged appliances.
Diagnosing the Fault: What Can You Hear?
| What you observe | Most likely cause | Next step |
|---|---|---|
| Machine sounds like it is running, drum not moving, drum feels free by hand | Drive belt broken or come off | Remove the lid and inspect the belt |
| Machine sounds like it is running, drum not moving, drum feels stiff or seized | Belt tangled and causing resistance, or drum bearing seized | Inspect belt and check drum turns freely with belt removed |
| Gentle humming, drum not moving, machine otherwise silent | Motor attempting to start but unable – motor fault or capacitor fault | Check capacitor and motor – call an engineer if not confident |
| No sound at all, lights on, no drum movement | Motor not receiving power – wiring, PCB, or motor fault | Check wiring and connections to the motor – call an engineer |
Checking the Drive Belt
With the machine unplugged, remove the lid and look down at the drum. The drive belt runs around the circumference of the drum and connects to the motor pulley below. If the belt has come off or broken you will see a clear area around the drum where it normally runs, or you will see the belt lying loose inside the machine.
Belt broken
A snapped belt needs replacing. Before fitting a new one, check the drum turns freely by hand – if it feels seized, there is a secondary fault that must be resolved first or the new belt may break again. Tumble dryer belts are available from Spares4Appliances – specify the model number for the correct part.
Belt still present but possibly snapped
A belt that has snapped can sometimes remain in place around the drum rather than falling loose. Try lifting the belt clear of the drum surface – if it is intact you will not be able to lift it off. If you can lift it off, it has snapped and needs replacing.
Belt intact and in place
If the belt is on, correctly positioned, and not broken, the fault is in the motor or its starting circuit rather than the belt. See the motor and capacitor section below.
What Causes the Belt to Break?
In most cases a belt simply wears out over time – this is the expected end of its service life rather than a sign of another problem. Before fitting a new belt, confirm that the drum turns freely by hand. A seized drum bearing is one of the less common causes of belt failure and will break a replacement belt just as quickly if not addressed first.
Replacing the Drive Belt
On a washing machine the drive belt is accessible by removing the back panel. On a tumble dryer the drum sits between the front and rear panels – accessing the belt almost always requires removing the front panel and sometimes the side panels too. Some modern dryers require a specialist tool to refit the belt around the motor pulley. Unless confident with appliance dismantling, this repair is better left to an engineer.
The drum must be supported while the panels are removed and during reassembly – it sits on rollers or a bearing that can shift if the machine is handled roughly. Reassembly is often the harder part of the job, particularly routing the belt around the motor pulley under tension.
Warming a new belt with a hairdryer for a minute or two just before fitting it creates a small amount of additional stretch, making it easier to seat around the motor pulley. This is particularly useful on belts that require significant force to fit.
Motor and Capacitor Faults
If the belt is intact and the drum turns freely by hand, the fault lies in the motor or its starting circuit. Tumble dryer motors are simple induction motors that typically use a start capacitor to initiate rotation. A faulty capacitor produces symptoms very similar to a faulty motor – distinguishing between them requires some testing.
Faulty start capacitorThe motor hums but cannot start on its own. A useful diagnostic: with the machine running, manually spin the drum through the open door and quickly close it. If the motor then runs normally until it next needs to reverse direction – at which point it stops again – this strongly suggests a faulty start capacitor rather than the motor itself. Capacitors are significantly cheaper than motors to replace.
Faulty motorA motor fault produces similar symptoms to a capacitor fault. If the machine hums but the manual-spin test does not result in the motor running, the motor itself is more likely to be the cause. Motor replacement is a more involved and expensive repair – confirm the capacitor is functioning before replacing the motor.
Not Sure or Not Confident? Book an Engineer
Tumble dryer belt replacement and motor diagnosis are jobs that many engineers find straightforward but that can be very difficult to reassemble correctly without experience.
Related Guides
Tumble Dryer Not HeatingCauses of a tumble dryer that runs but produces no heat – heating element, thermostat, and thermal fuse faults.
Washing Machine Drum Not TurningThe same belt, motor, and capacitor diagnostic approach applied to washing machine drum faults.
Electric Shock Risk From Unplugged AppliancesWhy capacitors can retain a dangerous charge after unplugging – and the waiting time required before touching internal components.
DIY Appliance Repair SafetyEssential safety rules for anyone working on tumble dryers, washing machines, or any large appliance.
Frequently Asked Questions
Why is my tumble dryer running but the drum is not turning?
The most common cause is a broken or dislodged drive belt. If the machine sounds like it is running normally but the drum is stationary and feels unusually free when turned by hand, remove the lid and inspect the belt. If the machine hums but produces no drum movement, a faulty start capacitor or motor is more likely.
Can I replace the tumble dryer belt myself?
Possibly, but it is significantly more involved than the equivalent repair on a washing machine. The drum on a tumble dryer sits between the front and rear panels – accessing and refitting the belt almost always requires removing the front panel and sometimes the side panels too. Some machines require a specialist tool. If you are not confident with full appliance dismantling and reassembly, an engineer visit is the safer option.
How do I tell if the capacitor or motor has failed?
With the machine running and humming, open the door and manually spin the drum in the direction of rotation, then quickly close the door. If the motor then runs normally until it next needs to reverse – at which point it stalls again – this strongly suggests a faulty start capacitor. If manual spinning does not result in the motor running at all, the motor itself is more likely to be at fault. Always check the capacitor before replacing the motor.
Why did the drive belt break?
In most cases a belt simply reaches the end of its service life through normal wear. This is expected and does not indicate another fault. Before fitting a replacement, confirm the drum turns freely by hand with the belt removed – a seized drum bearing can cause premature belt failure and will break a new belt in the same way.
Noisy Tumble Dryer
Tumble dryer noises most commonly come from the belt tension pulleys, worn drum support bearings, or – if the drum is scraping – something the drum is catching on as it rotates. The type of noise is the most useful diagnostic clue: metallic scraping, squeaking, and rumbling each point to different components. Many tumble dryer noises require significant strip-down to repair, as internal components are not accessible without removing the front or side panels.
Tumble dryers – particularly condenser and heat pump models – are more complex internally than washing machines and can be significantly harder to disassemble and reassemble correctly. This guide covers fault diagnosis by noise type. Specific strip-down instructions depend on the model and are not covered here.
Metallic Scraping Noise
A metallic scraping noise means the drum is catching on another component as it rotates. Continuing to run the dryer will cause progressive wear on both components involved – a simple, inexpensive fault can quickly become a serious and expensive one if left unaddressed.
Metallic scraping from a rotating drum has two main causes:
Drum catching on the casing or back panel
Budget dryers and some poorly built premium models can have flimsy casings with insufficient clearance between the drum and the rear panel. If the machine is not level the casing can twist slightly, closing this clearance further and allowing the drum to catch. Check that the dryer is level front-to-back and side-to-side. Some Hotpoint and Indesit models were particularly prone to this fault and received design modifications as a result.
Worn front drum support bearings
The drum rests and rotates on plastic support bearings at the front of the machine. As these wear down, the front lip of the drum drops and can begin to scrape on the metal surround of the front panel opening. This is a progressive fault that worsens with continued use. Replacement bearings are available from Spares4Appliances, though access typically requires front panel removal.
Squeaking Noises
Squeaking is most commonly caused by one of two components – both of which require strip-down to access on most machines.
Belt tension pulleys (jockey pulleys)
Tension pulleys keep the drive belt correctly tensioned as the drum rotates. They are small plastic wheel-like components held against the belt by a strong spring and running on a small metal shaft. Over time the shaft dries out or wears, producing a persistent squeak that runs continuously while the drum is turning. The correct fix is to replace the pulley and shaft assembly. As a temporary measure, stripping and greasing the shaft with a high melting-point grease can resolve a squeak that is caused by dryness rather than wear.
Dry or worn rear drum bearing
The rear of the drum is typically supported by a single brass or plastic bearing at the centre of the rear panel. A dry or worn rear bearing produces a squeak or whine that follows the drum rotation. This is particularly common on some Hotpoint and Indesit tumble dryers. Access to the rear bearing generally requires full strip-down of the machine.
Rumbling Noises
A deep rumbling noise that follows the speed of the drum rotation usually points to the same components as squeaking – belt tension pulleys and drum bearings – but in a more advanced state of wear. Depending on the design and condition of the pulleys, the noise may present as a rumble rather than a squeak. Worn front drum support bearings and the rear drum bearing can also produce rumbling as they degrade further.
If the rumble changes character or stops when the drum pauses to reverse direction, this helps confirm the noise is drum-related rather than from another component. A noise that continues through the reversal pause is more likely to be from a pump or motor.
Noisy Motor
Motor noise is relatively uncommon in tumble dryers – the motor runs at comparatively low speed and tends to last well. If the motor is suspected, it can be isolated for testing by removing the drive belt and any tension pulley brackets and running the motor alone. If the noise disappears when the belt is removed and the motor runs quietly in isolation, the noise was coming from the belt system rather than the motor.
Tumble dryer drive belts are very strongly tensioned. Refitting a belt – particularly a new one – often requires a specialist tool to stretch it onto the motor pulley. Even experienced engineers can find this challenging. If the belt needs to be removed for diagnosis, be prepared for the refitting process to be the most difficult part of the job.
Condenser and Heat Pump Dryer Noises
Condenser dryers have an additional component that vented dryers do not – a small pump that transfers condensed water into the collection drawer. This pump may run continuously during the drying cycle or may cut in and out intermittently.
A failing condenser pump can produce a loud screeching or rattling noise that is distinct from the drum-related sounds described above. The key diagnostic clue is that pump noise continues when the drum pauses to reverse direction – drum-related noise stops or changes at this point. If the pump develops excessive noise it will need replacing. Access varies by model – some allow rear panel access, others require front or side panel removal.
Need an Engineer?
Most tumble dryer noise faults require significant strip-down. A qualified engineer can diagnose and repair the fault correctly.
Quick Reference: Noise Type and Likely Cause
| Noise type | Most likely cause | Action |
|---|---|---|
| Metallic scraping, continuous during drum rotation | Drum catching on casing or worn front support bearings | Level the machine first. If persists, front panel strip-down needed |
| Squeaking, follows drum rotation | Dry or worn tension pulleys or rear drum bearing | Grease or replace tension pulleys – strip-down required |
| Rumbling, follows drum speed | Worn tension pulleys or drum bearings, more advanced stage | Strip-down required – do not delay, wear will worsen |
| Screeching or rattling, continues when drum reverses | Condenser pump (condenser/heat pump dryers only) | Pump replacement – access varies by model |
| Noise disappears when drum reverses | Drum-related: bearings, pulleys, or scraping | See metallic scraping and rumbling sections above |
Related Guides
Tumble Dryer Drum Not TurningDrive belt, motor, and capacitor faults that cause the drum to stop rotating entirely.
Tumble Dryer Not HeatingCauses of a tumble dryer that runs but produces insufficient or no heat.
Condenser or Vented Tumble Dryer?The differences between condenser and vented dryers and which suits different home setups.
DIY Appliance Repair SafetyEssential safety guidance before working on any large appliance.
Frequently Asked Questions
Why is my tumble dryer making a scraping noise?
A metallic scraping sound almost always means the drum is catching on another component as it rotates. Check the machine is level – an unlevel dryer can twist the casing enough to reduce the clearance between the drum and the rear or front panels. If levelling does not help, worn front drum support bearings are the most likely cause. Do not continue running the dryer with a scraping noise – progressive wear will make the repair more expensive.
What causes a squeaking noise in a tumble dryer?
Squeaking is most commonly caused by the belt tension pulleys drying out or wearing. These small plastic wheels run continuously while the drum turns and are held against the belt by a strong spring. Greasing or replacing the pulleys and their shaft resolves the noise in most cases, but access requires stripping the dryer down. A worn or dry rear drum bearing can produce a similar noise.
My condenser dryer makes a screeching noise – what is it?
On a condenser or heat pump dryer, a screeching noise that continues when the drum pauses to reverse direction is likely to be the condensate pump rather than a drum-related fault. The pump circulates condensed water into the collection drawer and can develop a loud noise when it begins to fail. The pump will need replacing – access depends on the model.
How do I know if the noise is from the drum or the motor?
Listen carefully when the drum pauses to change rotation direction. A noise that stops or changes at this point is drum-related – bearings, pulleys, or scraping. A noise that continues unchanged through the reversal pause is more likely to be from the motor or, on condenser dryers, the condensate pump. A motor can also be tested in isolation by removing the belt and running the machine briefly – though be aware that refitting a tumble dryer belt can be very difficult.
Tumble dryer not heating
The most common causes of a tumble dryer not heating are a failed heating element, a tripped or failed thermal cutout (TOC), or a failed thermostat. On condenser dryers, a full or faulty condensate float switch can also cut off the heater. Replacing a TOC without finding why it tripped will usually result in the new one failing in the same way.
Thermal cutouts and thermostats are safety devices that protect against dangerous overheating. Bypassing one to test whether it is the fault can cause a dryer to reach temperatures that start a fire. Always replace a failed device – never bridge it out.
Thermostats and Thermal Cutouts (TOCs)
The thermostat and TOC are the most frequently misidentified components in a no-heat fault. They look very similar – small, round, roughly the size of a 5p coin, with a wire connected to each side – and both interrupt the power supply to the heating element when they operate. Understanding how they differ is important before testing or replacing either.
Thermostat (stat)Designed to reset when it cools down. Used to regulate drying temperature by repeatedly switching the heater on and off during the cycle. A lack of continuity on a thermostat may not indicate failure – some have high resistance through heat-sensitive crystals at certain temperatures. Do not assume a stat has failed purely on a cold continuity reading without being certain it is a TOC and not a stat.
Thermal cutout (TOC)A one-shot heat-activated fuse. Designed to operate only under dangerously high temperatures and does not normally reset. If a TOC is found open circuit it has almost certainly failed – but it has done so because something caused overheating. Replacing it without finding the underlying cause is likely to result in the new TOC failing in the same way.
If you are not certain whether a component is a thermostat or a TOC, do not proceed based on a guess. Some White Knight and similar basic vented dryers have a resettable cutout with a red button on the rear panel – if it has tripped it can be reset by pressing it once the machine has cooled. If it continues tripping, the underlying cause must be found.
Where Are Thermostats and TOCs Located?
Both are positioned close to the heating element – they need to be, since they respond to the heat the element produces. On some vented dryers the heating element and its associated stats are accessible from the rear panel. On many condenser dryers and more complex machines, the element and stats are at the front of the drum housing and can only be reached after removing the front panel and drum.
If the stats are not visible after removing the lid or back panel, do not proceed with strip-down unless confident in the reassembly – condenser dryers in particular can be very difficult to reassemble correctly.
Testing Thermostats and TOCs
Both are tested with a continuity meter. A normally functioning device should show a complete circuit (continuity) from one terminal to the other. An open circuit result on a TOC indicates it has failed. Take care with thermostats – see the note above about heat-sensitive resistance.
Why Did the TOC Fail? Find the Cause Before Replacing It
A TOC that has operated is a symptom, not the root fault. Something caused the overheating that triggered it. Replacing the TOC without identifying and resolving that cause will almost certainly result in the replacement failing.
Blocked or restricted airflow
Filters – particularly on condenser dryers which may have several filters in different locations – can become blocked with lint and restrict the airflow over the heating element. Clean all filters thoroughly, including any that are not in plain sight. On vented dryers, a blocked or severely kinked vent hose has the same effect. Check the vent hose runs clearly with no sharp bends.
Fan not running
If the fan that circulates air over the heating element is not running correctly, heat builds up rapidly. A seized fan bearing or failed fan motor will cause the element to overheat without the airflow to carry heat away. This requires internal access to diagnose.
Overloading the drum
An overloaded drum restricts airflow through the laundry and can cause heat to build up inside the machine. Check the load against the drum’s rated capacity.
Stopping the dryer mid-cycle
On some dryers, stopping the machine before the cooldown phase is complete causes heat to build up inside without the fan running to dissipate it. This can trip or permanently damage the thermal cutout. See our guide on why you should not stop a tumble dryer mid-cycle.
Failed thermostat
If the thermostat that normally cycles the heater on and off has failed in the closed position, the heater runs continuously without temperature regulation. This will cause overheating and eventually trigger the TOC. A thermostat fault must be confirmed before replacing the TOC.
Faulty Heating Element
A failed heating element is another common cause of a dryer that runs but produces no heat. The element may have broken internally – sometimes visible as a physical break in the element wire – or may have failed without obvious physical damage.
Testing is carried out with a continuity meter. A complete circuit through the element confirms it is intact. An open circuit confirms it has failed. Heating elements for most brands and models are available from Spares4Appliances.
Accessing the heating element on most tumble dryers requires significant strip-down. Some basic vented dryers have elements accessible from the rear panel. Most condenser dryers and many vented dryers require the front panel and drum to be removed before the element can be reached. Check whether access is possible from the rear before attempting a fuller strip-down.
Condenser Dryer Specific: Float Switch and Sensor Faults
Condenser dryers are designed to cut off the heating element automatically if the condensate collection drawer becomes full – to prevent water overflowing inside the machine. If the drawer is full, emptying it should restore heating.
If the drawer is empty but the heater still will not come on, the float switch or water level sensor that detects a full drawer may have failed in the triggered position – telling the machine the drawer is full when it is not. This is a less common but known fault on condenser dryers. The sensor or float switch will need testing and replacing.
Need an Engineer?
Heating element and TOC replacement often require full strip-down and careful reassembly. A qualified engineer can diagnose and repair the fault correctly.
Summary: Common Causes of No Heat
| Cause | How to check | Note |
|---|---|---|
| Failed TOC (thermal cutout) | Continuity test – open circuit = failed | Find what caused overheating before replacing |
| Failed thermostat | Continuity test with caution – see note on heat-sensitive resistance | Do not confuse with TOC – different behaviour |
| Failed heating element | Continuity test or visual inspection for break | Access usually requires partial or full strip-down |
| Blocked filters or airflow | Check and clean all filters including hidden ones | Most common root cause of TOC failure |
| Blocked or kinked vent hose (vented dryers) | Check hose runs clear with no sharp bends or crushes | Can cause TOC to operate repeatedly |
| Full or faulty condensate float switch (condenser dryers) | Empty the drawer – if heater still off, test the switch | Switch may have failed in triggered position |
Related Guides
Why You Should Not Stop a Tumble Dryer Mid-CycleHow stopping the machine early can cause thermal cutout failure and why the cooldown phase matters.
Tumble Dryer Fire Risk From Blocked FiltersWhy blocked lint filters are a fire hazard and how regular cleaning prevents overheating faults.
Tumble Dryer Drum Not TurningBelt, motor, and capacitor faults that cause the drum to stop rotating.
Condenser or Vented Tumble Dryer?The differences between condenser and vented dryers – including maintenance and fault differences.
Frequently Asked Questions
What is a TOC and why has it tripped?
A TOC (thermal overload cutout) is a one-shot heat-activated fuse that protects the dryer against dangerous overheating. When it triggers it permanently opens the circuit, cutting power to the heating element. It does not reset. It has tripped because something caused the dryer to overheat – most commonly a blocked filter, a blocked vent hose, or a fan fault. Replacing the TOC without finding and fixing the cause will result in the replacement failing in the same way.
Can I bypass a TOC or thermostat to test if it is the fault?
No. Bypassing a TOC or thermostat removes the thermal protection from the dryer. The machine can then reach temperatures that cause a fire. Always replace a suspected faulty device with a correct replacement – never bridge it out, even temporarily.
My condenser dryer stopped heating – what should I check first?
Start by emptying the condensate collection drawer and checking all lint filters are clean. If the drawer was full, the machine will have cut off the heater automatically. Once emptied, the heater should restore. If the drawer is empty but the heater is still off, the float switch or water level sensor may have failed in the triggered position and will need testing.
Is a faulty heating element easy to replace?
It depends on the machine. A small number of basic vented dryers have elements that slot in and out from the rear panel. Most other dryers – particularly condenser models – require the front panel and drum to be removed to access the element. This is a significant strip-down that can be difficult to reassemble correctly without experience.
Tumble dryer won’t start
Work through the checks in order: power at the socket, fuse in the plug, door microswitch and catch, warning lights or condenser drawer. If the machine has power but only hums without starting, a faulty start capacitor is the most common cause – do not touch capacitors unless you are certain the machine has been unplugged for at least 5 minutes, as they can hold a dangerous charge.
Tumble dryer start capacitors can retain a dangerous electrical charge for several minutes after unplugging. If investigating inside the machine, wait at least 5 minutes after unplugging before touching any component. If the fuse has blown with an audible bang, the machine needs a proper insulation test before being used again – call an engineer. See our guide on electric shock risk from unplugged appliances.
Step-by-Step Diagnosis
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Check for power at the socket.
If indicator lights are working, the machine has power – skip to step 3. If nothing works at all, plug a different appliance or lamp into the same socket. If that works, the socket is fine and the fault is with the dryer. If nothing works in that socket, the socket itself has lost power – check the consumer unit for a tripped breaker.
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Check the fuse in the plug.
The fuse should be 13 amp. Test it with a continuity meter, or swap it for a known working 13 amp fuse. If replacing the fuse gets the dryer running, keep a close eye on it over the next few uses. A fuse that blows again – immediately or during a cycle – indicates an underlying fault that needs an engineer. A fuse that blew with an audible bang from the dryer needs proper investigation before the machine is used again.
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Check for warning lights or alerts.
On condenser dryers, check whether the condensate drawer is full. Most machines will not start a cycle with a full drawer. Empty it and try again. Also check whether a filter warning light is showing – on some condenser dryers a blocked filter prevents the machine from starting.
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Check the door catch and microswitch.
The most common cause of a tumble dryer with power that will not start is a failed door microswitch or a broken door catch. The door catch is typically a small plastic peg on the door that passes through the casing and presses a microswitch when the door is closed. If the peg is broken, bent, or no longer reaching the switch, the machine will not start. Inspect the door catch visually – if it looks intact, the microswitch itself may need testing with a continuity meter.
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Check the start button or on/off switch.
If the machine has a main on/off switch or a start button, check whether it feels and operates normally. A button that no longer clicks when pressed, or a switch that feels loose or intermittent, may have failed internally. This requires opening the control panel to test.
Machine Has Power But Only Hums
If the machine clearly has power – lights on, drum does not turn, produces a gentle hum when started – the motor is receiving power but cannot rotate. There are two main causes.
Faulty start capacitor (most likely)Many tumble dryer motors use a start capacitor to provide the initial surge of power needed to get the motor turning. If the capacitor fails, the motor receives running power but cannot overcome the starting resistance. The motor hums but does not turn. The capacitor should be tested or replaced by an engineer – do not attempt this without confirming the capacitor has been safely discharged first.
Seized drum or motorIf the drum or motor bearings have seized, the motor will hum under load without turning. Try opening the door and turning the drum by hand – if it is completely stiff or will not move at all, a mechanical seizure is the cause. See our guide on tumble dryer drum not turning for more on this fault.
What appears to be a start capacitor could be a suppressor filter – these are different components and need different handling. Capacitors hold electrical charge that can cause a serious shock even after unplugging. This fault is best left to an engineer unless you have specific knowledge of capacitor diagnosis and discharge procedures.
Need an Engineer?
If the checks above do not reveal a simple cause, a qualified engineer can diagnose and repair the fault correctly.
Related Guides
Tumble Dryer Drum Not TurningBelt, motor, and capacitor faults that cause the drum to stop rotating when the machine is running.
Tumble Dryer Not HeatingTOC, thermostat, and heating element faults causing a dryer that runs but produces no heat.
Electric Shock Risk From Unplugged AppliancesWhy capacitors retain a dangerous charge after unplugging and how long to wait before touching internal components.
DIY Appliance Repair SafetyEssential safety rules before working on any large appliance.
Frequently Asked Questions
Why won’t my tumble dryer start at all?
Work through the basics first: confirm the wall socket has power, check the 13-amp fuse in the plug, then check the door catch and microswitch. On condenser dryers, also check whether the condensate drawer is full or a filter warning light is showing – these can prevent the machine from starting. If all of these check out, the fault is likely internal and needs an engineer.
My tumble dryer hums but the drum doesn’t turn – what is wrong?
The motor is receiving power but cannot start rotating. The most common cause is a faulty start capacitor – the component that provides the initial surge needed to get the motor turning. A seized drum or motor bearing is the other possibility. Do not investigate the capacitor without understanding the discharge risks – capacitors can hold a dangerous charge after the machine is unplugged.
The fuse blew with a loud bang – can I just replace it?
No – or at least not safely. A fuse that blew with a bang indicates a significant electrical fault, possibly a short circuit. Simply replacing the fuse and continuing to use the machine could result in the fault recurring and causing damage or injury. The machine needs a proper insulation test carried out by an engineer before being used again.
How do I check the door microswitch on a tumble dryer?
First inspect the door catch visually – look for the small plastic peg on the door that activates the switch when the door is closed. If it is broken, missing, or bent out of alignment, it will not activate the switch and the machine will not start. If the catch looks intact, the microswitch itself can be tested for continuity with a multimeter after unplugging the machine and accessing the switch.
Condenser tumble dryer causes condensation
Condenser tumble dryers do not use a vent hose, but they still heat the air in the room during operation. In a cold or poorly ventilated space, this warm moist air condenses on cold surfaces – tiles, windows, nearby appliances. The solution is better ventilation or a warmer room. If the dryer has suddenly started causing more condensation than before, check all filters are clean.
The “no vent hose needed” benefit of a condenser tumble dryer is real – but it does not mean the dryer has no effect on its surroundings. In confined or cold spaces, condensation from a condenser dryer can be a significant practical issue.
Why Condenser Dryers Still Cause Condensation
A condenser dryer works by condensing moisture from the hot air circulating through the drum into water, which collects in a drawer or drains away through a hose. This process is effective but not perfect – and the dryer also generates heat that warms the surrounding air.
Heat warming the surrounding air
The dryer produces significant heat during operation. In a cold room, this warm moist air from the machine meets cold surfaces – walls, tiles, windows, or nearby appliances such as a freezer – and condenses. This is the same process that causes bathroom mirrors to fog up. The smaller and colder the room, the more pronounced the effect.
Imperfect condensation inside the machine
Lower-quality condenser dryers may not capture all moisture internally, allowing some moist air to escape into the room. This adds to the condensation problem beyond just the heat output. Higher-quality dryers generally condense more efficiently and release less moisture into the room.
Condensation from a condenser dryer is particularly noticeable in garages and utility rooms – especially in winter when surfaces are cold and ventilation is limited. The problem is worse if a freezer is nearby, since the freezer’s cold exterior is an ideal condensing surface. See our guide on putting appliances in a garage for more on managing humidity and condensation in garage installations.
Solutions for Condenser Dryer Condensation
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Improve ventilation. Opening a window or door slightly during operation allows moist air to escape rather than condensing on cold surfaces. In a garage, opening the garage door a small amount is often sufficient. An extractor fan in the wall is a more permanent solution that works without opening doors. -
Warm the room. If the room is warmer during operation, cold surface condensation reduces because the temperature difference between the air and the surfaces is smaller. This is more practical in a utility room than in a garage, where heating an entire garage space is less efficient. -
Clean all filters thoroughly and regularly. Blocked filters significantly reduce the efficiency of the condensation system inside the dryer, allowing more moisture to escape into the room. Some dryers have more than one filter – check the instruction book for all filter locations, including any that may be behind a panel or in a less obvious position. -
Empty the condensate drawer regularly. If the drawer fills during a cycle, water has nowhere to go and the machine’s efficiency drops. Empty the drawer after every cycle or as directed in the instruction book.
If the Dryer Has Suddenly Started Causing More Condensation
If a condenser dryer that previously worked well has suddenly started producing noticeably more condensation or steam, this usually indicates a problem with the condensation system rather than a normal operating characteristic.
| Possible cause | What to check |
|---|---|
| Blocked lint filter | Clean the main lint filter and check for secondary or hidden filters in the instruction book |
| Blocked condenser unit | On machines with an accessible condenser (usually behind a front panel door), check and clean the condenser fins. This is separate from the lint filter |
| Water not collecting in drawer | If the condensate drawer is dry after a cycle, water is not being collected correctly. Check for a blockage in the collection system or a fault on the pump (on machines that pump water to a drain rather than using gravity into a drawer) |
Related Guides
Related Guides
Condenser vs Vented Tumble DryerThe pros and cons of each type – including the practical differences in installation and running.
Tumble Dryer Not HeatingWhen poor drying performance is caused by a heating fault rather than a condensation issue.
Appliances in a GarageCondensation, temperature extremes, and plumbing considerations for garage appliance installations.
Most Energy Efficient Tumble DryersHeat pump dryers and condenser dryers compared on running costs and performance.
Frequently Asked Questions
Why does my condenser tumble dryer cause condensation if it doesn’t need a vent?
A condenser dryer converts moisture from the laundry into water internally, but it also generates significant heat during operation. This warm air rises from the machine and in a cold or unventilated space condenses on any cold surface it encounters – walls, tiles, windows, or nearby appliances. The condensation is not coming from inside the machine; it is forming from warm moist air meeting cold surfaces in the room.
How do I stop my condenser dryer causing condensation on my freezer?
The best solution is ventilation – allow moist warm air to escape the room rather than accumulate. Open a window, door, or install an extractor fan. If this is not practical, keep the freezer as far from the dryer as possible to reduce the temperature difference effect. Ensuring the dryer’s filters are clean also reduces the amount of moisture it releases into the room.
My condenser dryer has suddenly started steaming more – what is wrong?
A sudden increase in condensation or steam from a condenser dryer usually indicates a filter blockage or a problem with the condensate collection system. Check and clean all filters – including any secondary or hidden filters described in the instruction book. If the condensate drawer is no longer filling with water after cycles, the condensate system has a fault that needs investigating.