E90
Midea
Configuration / Communication Error
Washer-dryer combo shows E90 and all functions may be disabled; display may flicker or show random symbols.
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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 or configuration on main PCB, Incompatible or replaced control panel, Loose communication harness, Power surge damage
How to Fix / Troubleshooting
Safety first: Unplug the appliance before accessing control electronics.
- Power reset: Leave the unit unplugged for at least 5 minutes, then reconnect and see if E90 clears.
- Check harnesses: Inspect and reseat all connectors between the main PCB and user interface board.
- Look for water damage: Check for signs of moisture or corrosion on the boards, especially if the unit is in a humid area.
- Board replacement or reprogramming: If E90 persists, the main PCB may need to be replaced or reprogrammed with the correct Midea configuration by an authorized service center.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board (PCB)
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