Emerson
Control Timing / Relay Fault
Microwave runs but time on display does not count down correctly or stops intermittently.
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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
Failing control board timer circuit, Sticky relays, Electrical noise or interference, Faulty keypad contacts
How to Fix / Troubleshooting
Safety first: Unplug the microwave before control work.
Basic reset:
- Unplug for 10 minutes, then plug back in and test.
Check keypad:
- Ensure no keys are sticking or activating intermittently.
If timing issues persist, the control board likely needs replacement by a technician.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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