F1
Haier
Main Control Board Failure
Haier dryer shows F1 and will not start a cycle
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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 control board fault, Corrupted firmware, Shorted component on PCB, Power surge damage
How to Fix / Troubleshooting
Safety first: Disconnect power before accessing the control board.
- Power reset: Unplug the dryer or switch off the breaker for 10–15 minutes. Restore power and attempt to start a cycle. If F1 returns immediately, continue.
- Inspect control board: Remove the top panel and control housing to access the main PCB. Look for burnt spots, cracked components, or signs of moisture damage.
- Check harness connections: Ensure all connectors to the board are fully seated and free of corrosion. Reseat each plug one at a time.
- Surge protection: If F1 occurred after a storm or power event, consider installing a surge protector after replacing the board.
- Replace control board: If visual inspection and reseating connectors do not resolve F1, replace the main control board with the correct Haier part number for your model.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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