F2
Devola
Compressor Relay / Output Fault
Devola dehumidifier shows F2 and compressor does 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 relay on main PCB, burnt relay contacts, damaged PCB trace to compressor, wiring harness fault to compressor
How to Fix / Troubleshooting
Safety: Unplug the unit. Work on mains circuits only if you are competent and equipped.
F2 indicates the control cannot correctly drive or sense the compressor output.
- Visual PCB inspection: Access the main control PCB and look for a relay labeled for the compressor. Check for burn marks, cracked solder joints, or damaged traces.
- Check compressor wiring: Inspect the harness from the PCB to the compressor for loose connectors or burnt insulation.
- Relay replacement (advanced): If the relay is visibly damaged or tests faulty, it can sometimes be replaced individually by desoldering and soldering a new identical relay. Many users instead replace the entire main control PCB.
- Replace main control PCB: If you are not comfortable with component-level repair, replace the whole Devola main PCB with the correct part number.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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