E05
Ikea Control Panel / Touchpad Communication Error

Microwave display shows E05 and unit will not start any cooking program.

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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 touchpad and control board, Failed touch control panel, Defective main control PCB, Moisture ingress behind control panel

How to Fix / Troubleshooting

Safety: Unplug the microwave before removing the control panel or touching internal wiring.

Steps:

  • 1. Power reset: Disconnect power for 5–10 minutes to allow the control board to reset. Plug back in and test.
  • 2. Check for moisture: If E05 appeared after heavy steam cooking, open the door and let the unit dry for several hours. Wipe the control panel surface dry.
  • 3. Inspect ribbon cable (for DIYers): Remove the control panel assembly (usually held by a few screws and clips). Carefully disconnect and reconnect the flat ribbon cable between the touchpad and the main PCB. Ensure it is fully seated and not corroded.
  • 4. Visual inspection: Look for burn marks or corrosion on the control board. If present, the board likely needs replacement.

Resolution: If reseating the ribbon cable and drying the panel does not clear E05, replace the touch control panel or the main control PCB with the correct IKEA-compatible part, following the service manual.

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Repair Difficulty

Medium 3/5

Required Part

Touch Control Panel
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