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Error code reference
LG Microwave Error Code E02
Thermistor open: thermistor circuit fault detected by the P.C.B. (thermistor is open-circuited), or heater fault.
SourceLG MC-7884NJ Microwave - Service Manualp. 5-19
Diagnostic procedure
The full E02 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check the connection between the thermistor and the P.C.B. assembly.
SourceLG MC-7884NJ Microwave - Service Manualp. 5-19
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
12 manuals in the MyPros+ library document this code for LG microwave.
Models covered by the manuals that document this code
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