F09
Indesit
EEPROM / Software Configuration Error
Washer-dryer behaves erratically, random lights, incorrect cycle times, or will not start; F09 displayed.
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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
Corrupted EEPROM on main control board, power surge damage, incorrect or failed firmware, faulty main PCB
How to Fix / Troubleshooting
Safety: Disconnect from mains before accessing electronics.
- Power cycle: Unplug for 15–20 minutes to allow full discharge of capacitors. Reconnect and test.
- Check supply quality: Ensure the socket has stable voltage and good earth. Avoid extension leads.
- Inspect PCB: Remove the control board and look for obvious damage (burnt components, corrosion). If present, the board must be replaced.
- Reprogramming: On many Indesit models, F09 requires EEPROM reprogramming or replacement of the control board with a pre-programmed unit. This is typically a job for an authorised technician.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board (EEPROM)
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