F18
Bauknecht
Power Supply / Voltage Fault
Dryer shows F18 and may not start or may stop 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
Incorrect mains voltage, Loose power cord connection, Internal power supply failure on control board, Damaged mains filter module
How to Fix / Troubleshooting
Safety first: Disconnect the dryer from mains before inspecting the power inlet or internal components.
- Check outlet: Verify the wall socket provides the correct voltage for your region using a suitable tester.
- Inspect power cord: Look for cuts, burns, or kinks. Ensure the plug fits firmly in the outlet.
- Internal connections:
- Remove the top cover.
- Check the mains filter module and terminal block where the cord connects.
- Tighten any loose screws and inspect for heat damage.
- Surge events: If F18 appeared after a power surge, the internal power supply on the PCB may be damaged and require board replacement.
Warning: Do not work on live circuits. If you are not trained to handle mains wiring, contact a professional.
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Repair Difficulty
Hard
4/5
Required Part
Mains Filter / Terminal Block / Main Control Board
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