Skip to main contentStart diagnosing E-11 on your LG microwave
What this code means
Sensor open error - sensor circuit is open or disconnected. Possible causes: Unplugged sensor; Wiring failure; Smart board failure
Next steps: diagnose the root cause
1
Verify the error code is active
Power cycle the unit and see if the code returns. If it does, the fault is persistent and requires diagnosis.
2
Get the full diagnostic procedure
Get step-by-step guidance, test values, and wiring diagrams from the OEM service manual.
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What’s available for LG microwave models
Access LG microwave service manuals, wiring schematics, exploded parts views, and error code references on MyPros+.