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Error code reference
LG Refrigerator Error Code M-EVA sensor failure
Failure of Opti zone Eva sensor due to cut or short circuit wire; all display LEDs are on but MEAT OPTI is off.
SourceLG GA-419B/GA-449B/GA-479B - Service Manualp. 24
Diagnostic procedure
The full M-EVA sensor failure 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
Inspect connecting wires on the Opti zone Eva sensor.
SourceLG GA-419B/GA-449B/GA-479B - Service Manualp. 24
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
2 manuals in the MyPros+ library document this code for LG refrigerator.
Models covered by the manuals that document this code
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