E9
Midea
Communication Error Between Control Panel and Main Board
E9 error appears and cooker refuses to start or aborts cooking.
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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
Loose ribbon cable between keypad/display and main PCB, Oxidized connector contacts, Faulty main PCB microcontroller
How to Fix / Troubleshooting
Safety first: Unplug the cooker before opening any covers. This procedure may void warranty; check your warranty terms.
- Power reset: Leave the unit unplugged for 10 minutes, then plug back in and test. Sometimes transient faults clear with a reset.
- Inspect control panel connection: If you are experienced with appliance repair, remove the front panel screws and gently access the ribbon cable between the display board and main PCB. Reseat both ends carefully.
- Check for moisture: Look for signs of liquid ingress behind the control panel. If present, dry thoroughly and do not power until fully dry.
- If E9 persists: The main PCB or display board likely needs replacement using Midea-compatible parts.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control PCB
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