F13
Bauknecht
Heat Pump System Fault (Heat Pump Models)
Dryer displays F13; may stop heating or shut down unexpectedly.
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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
Defective heat pump compressor, Faulty heat pump fan motor, Blocked heat exchanger, Refrigerant system issue
How to Fix / Troubleshooting
Safety first: Unplug the dryer. Heat pump systems contain high-pressure refrigerant; do not open sealed components.
- Clean heat exchanger:
- Remove the lower front panel or flap to access the heat exchanger.
- Rinse the exchanger thoroughly with lukewarm water to remove lint and dust.
- Allow it to drain and dry before reinserting.
- Check fans:
- Listen for the internal fan when starting a cycle; if silent, the fan motor may be faulty.
- Access the fan (rear or side panel) and check for obstructions or seized blades.
- Ventilation: Ensure adequate space around the dryer for air circulation; blocked vents can cause overheating and F13.
- If F13 remains: Compressor or refrigerant issues require a qualified technician with F-gas certification; do not attempt DIY repairs on sealed systems.
Warning: Never puncture or heat the sealed heat pump circuit; refrigerant release is hazardous.
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Repair Difficulty
Professional Required
5/5
Required Part
Heat Pump Compressor / Fan Motor
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