F9
Miele
Control Electronics Fault
Dryer stops mid-cycle; display shows F9.
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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
Internal failure of main control board, power supply instability, corrupted control firmware, damaged low-voltage wiring
How to Fix / Troubleshooting
Safety first: Unplug the dryer before accessing the control area.
Basic checks:
- Perform a power reset: disconnect power for at least 5 minutes, then reconnect and try a short cycle.
- Inspect the power cord, plug, and wall outlet for signs of overheating or looseness.
- Remove the top panel and inspect the main control board for burnt components, bulging capacitors, or damaged connectors.
- Ensure all harness connectors are fully seated and free of corrosion.
- If F9 returns consistently and no external cause is found, the control board is likely defective. Replacement or board-level repair should be carried out by a qualified technician, as programming may be required.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board (ELP/ELPWS)
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