H4
Beko
Dryer Overheat / Thermal Cut-Out Trip
Washer-dryer displays H4; drying cycle stops prematurely with little or no heat
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Blocked lint in air ducts, Failed or tripped thermal cut-out, Faulty dryer fan, Restricted condenser airflow
How to Fix / Troubleshooting
Safety first: Unplug the appliance and allow it to cool fully before working on the dryer system.
- Step 1 – Clean lint and condenser: Remove accessible lint filters and clean thoroughly. If the condenser is user-accessible, remove and rinse it under running water until clear.
- Step 2 – Inspect air ducts: Remove panels to access internal ducts. Vacuum out lint and debris to restore airflow.
- Step 3 – Check thermal cut-outs: Locate thermostats on the dryer heater housing. Test for continuity. Replace any that are open circuit and not resettable.
- Step 4 – Verify fan operation: Ensure the dryer fan runs during drying. If not, test and replace the fan motor as needed.
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Repair Difficulty
Medium
3/5
Required Part
Dryer Thermal Cut-Out
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