Er
BODEGA43
General Control System Error
Display shows Er or generic error and the unit may not respond to temperature 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
Firmware error in main PCB, Multiple sensor faults detected, Corrupted EEPROM on control board, Incorrect voltage or power surge damage
How to Fix / Troubleshooting
Safety: Unplug the unit before any internal inspection.
Basic user actions:
- Power reset: Disconnect power for at least 10 minutes to allow capacitors to discharge and the control to fully reset.
- Check power quality: Plug the cooler directly into a grounded wall outlet. Avoid surge-prone extension cords.
If Er persists:
- Inspect the main control board for visible damage (burn marks, swollen components).
- Check all sensor connections (cabinet, evaporator, ambient) for secure fit.
- If no obvious wiring issues are found, the main control board is likely faulty and should be replaced with a BODEGA43-compatible PCB.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board (PCB)
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