Model reference
LG GR-B459/429BL
Refrigerator
1 document6 error codes5 service modes
Available documentation
Service Manual
- Refrigerator Service Manual56 pg
MyPros+ Max
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Error codes (6)
CodeMeaning
Er dHPoor defrostEr dSFailure of defrost sensor due to cut or short circuit wire.Er FSFailure of Freezer sensor due to cut or short circuit wire.Er rSFailure of Refrigerator sensor due to cut or short circuit wire.Miracle Zone sensor errorFailure of Miracle Zone sensor due to cut or short circuit wire (BEST model…RT sensor errorFailure of RT (Room Temperature) sensor due to cut or short circuit wire.Service modes (5)
- LED/LCD Check Function["Press the SUPER FREEZE and FREEZE TEMP buttons at the same time.","After 1 second, all GRAPHICS…
- NORMAL STATE (from TEST)["While in TEST MODE 2, press the TEST button on the MAIN PCB once."]
- RT Sensor / Miracle Zone Sensor Diagnostic Check (BEST model)["Press and hold SUPER FRZ button and FRZ Temp button for 1 second or longer."]
- TEST MODE 1["Press the TEST button on the MAIN PCB once."]
- TEST MODE 2["While in TEST MODE 1, press the TEST button on the MAIN PCB once more."]
Full entry steps, exit procedures, and test sequences are available in Max.
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