E9
Danby
EEPROM / Memory Error on Main PCB
Display shows E9, unit may not start or may shut down unexpectedly.
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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 firmware, Power surge damage, Failed EEPROM IC, General main PCB failure
How to Fix / Troubleshooting
Safety: Unplug the unit before accessing internal electronics.
Steps:
- 1. Hard reset: Disconnect power for at least 15 minutes to allow capacitors to discharge and the microcontroller to fully reset. Plug back in and test.
- 2. Surge protection: If the error appeared after a storm or power event, connect the unit through a quality surge protector to prevent future damage.
- 3. Inspect PCB: Remove the control panel cover and inspect the main PCB for burn marks, cracked components, or corrosion. If visible damage is present, replacement is required.
- 4. Replace main board: Order a Danby-compatible main control board using the model and serial number. Transfer any wiring harnesses one by one from the old board to the new board to avoid miswiring. Secure the board and reassemble.
- 5. Test operation: Restore power and verify that the E9 code is cleared and all modes function correctly.
EEPROM-level repairs (reprogramming chips) are not practical for home users; board replacement is the standard remedy.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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