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Error code reference
LG Microwave Error Code HOT
Internal temperature is irregularly high, typically caused by operating the toaster without bread.
SourceLG LTM9020 Microwave Toaster Combo - Use & Care Manualp. 21
Diagnostic procedure
The full HOT 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 if toaster was operated without bread. Fan will blow for about 3 minutes to cool down the toaster. After cooling stops, toaster can be operated again.
SourceLG LTM9000 Microwave/Toaster Combo - Use & Care Manualp. 21
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
10 manuals in the MyPros+ library document this code for LG microwave.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
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