E10
Hisense
Control PCB Failure or Firmware Error
Microwave shows E10 and may not respond to some or all buttons.
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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,Failed main control PCB,Power surge damage,Loose wiring harness to control board
How to Fix / Troubleshooting
Safety first: Unplug the microwave before inspection.
Steps:
- Power reset: Disconnect power for 10–15 minutes, then reconnect. This can clear some temporary firmware faults.
- Check outlet and power quality: Plug the microwave directly into a properly grounded wall outlet. Avoid extension cords or power strips that may cause voltage drops.
- Observe behavior: After reset, test multiple buttons and functions. If the display still shows E10 or is unresponsive, the control board is likely faulty.
Technician repair:
- Remove the control panel and inspect the main control PCB for burn marks or damaged components.
- Verify all harness connections are secure.
- Replace the main control PCB with the correct Hisense part number if necessary.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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