E14
Caple
Heat Pump Compressor / Refrigeration Fault
On heat pump dryers, E14 appears and the appliance may not heat; compressor may not start.
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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
Failed compressor, Faulty compressor start device or relay, Open thermal protector on compressor, Refrigerant leak or low charge (sealed system fault)
How to Fix / Troubleshooting
Safety first: Unplug the dryer. The heat pump system contains high-pressure refrigerant and should only be serviced by qualified personnel.
- Listen for compressor operation: During a heating cycle, the compressor should start after a short delay and produce a low humming sound. If it never starts, proceed with checks.
- Check compressor wiring: Access the heat pump compartment and inspect the compressor terminals, start device, and wiring harness for loose connections or burn marks.
- Thermal protector: Some compressors have an external thermal protector. Ensure it is not tripped or damaged.
- Do not open sealed system: If wiring and external components appear intact but E14 persists and there is no heat, the compressor or sealed system may be faulty. This requires specialised tools and must be handled by an F-gas certified technician.
- Arrange professional service: Contact an authorised Caple service centre for diagnosis and repair of the heat pump system.
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Repair Difficulty
Professional Required
5/5
Required Part
Heat Pump Compressor
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