C9
GE Appliances
Control Configuration / Software Fault
Dishwasher displays C9; may stop mid-cycle or not complete properly.
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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 board programming, Incorrect model configuration, Control board failure
How to Fix / Troubleshooting
Safety: Turn off power at the breaker before accessing the control board.
- Power reset: Turn the breaker off for 5 minutes, then restore power. Attempt to run a short cycle to see if the code clears.
- Check for stuck buttons: Inspect the control panel for stuck or unresponsive keys that might confuse the control. Clean around the buttons.
- Inspect control board: Remove the inner door panel to access the main control. Look for burn marks, corrosion, or water intrusion on the board and connectors.
- Reconfigure if applicable: Some GE models allow configuration of features via service mode. If recently replaced, ensure the board is configured for the correct model per service documentation.
- Replace control board: If C9 persists after reset and inspection, replace the main control board with the correct GE part number for your model.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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