Model reference
LG GA-B439**CA
Refrigerator
1 document9 error codes3 service modes
Available documentation
Service Manual
- Refrigerator Service Manual70 pg
MyPros+ Max
Diagnose your LG GA-B439**CA.
- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
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Error codes (9)
CodeMeaning
CFEngine section BLDC FAN motor failureCOConnection failure between Main PCB and Display PCB.dHDefrost failuredSDefrost sensor short circuit or disconnection.FFFreezer BLDC FAN motor failureFSFreezer sensor disconnection or short circuit.rSRefrigerator sensor 1 disconnection or short circuit.rtAmbient sensor short circuit or disconnection.SSO/F sensor short circuit or disconnection…Service modes (3)
- Error Code Display (CA models)Press and hold the SUPER FRZ
- TEST 1 (Cooling Mode)Press the TEST switch 1 time
- TEST 2 (Defrost Mode)Press the TEST switch 1 time while in TEST 1 position.
Full entry steps, exit procedures, and test sequences are available in Max.
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