Skip to main contentStart diagnosing EE3 on your Sharp microwave
What this code means
Failure of high voltage circuits 1 and 2 (both magnetron temperature fuses blown).
First step from the service manual
Test magnetrons (1) and (2), check fan motor and ventilation opening.
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 Sharp microwave models
Access Sharp microwave service manuals, wiring schematics, exploded parts views, and error code references on MyPros+.