F9
JennAir
Control Calibration or EEPROM Fault
Wine cooler displays F9 and may show incorrect temperatures or fail to respond to setpoint changes.
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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 control memory, Firmware error, Power surge affecting EEPROM, Defective main control board
How to Fix / Troubleshooting
Safety: Disconnect power before handling the control board.
Steps:
- Factory reset: If your JennAir model supports it, perform a factory reset via the control panel (refer to user manual).
- Power cycle: Unplug for 10–15 minutes, then restore power and reprogram temperature settings.
- Monitor operation: If F9 returns or settings will not save, the control board's memory is likely corrupted.
- Replace control board: Install a new OEM main control board. Some models may require configuration or code entry; follow the service instructions.
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Repair Difficulty
Medium
3/5
Required Part
Main Control Board
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