Model reference
LG GB7143BZ
Refrigerator
1 document12 error codes4 service modes
Available documentation
Service Manual
- Refrigerator Service Manual76 pg
MyPros+ Max
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- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
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Error codes (12)
CodeMeaning
CFFailure of fan motor at mechanical (condenser) roomCOFailure of communication between main PCB and display PCBdH FPoor freezer defrostdH RPoor refrigerator defrostdS FFailure of freezer defrost sensor due to cut or short circuit wire.dS rFailure of refrigerator defrost sensor due to cut or short circuit wire.FFFailure of fan motor at freezing compartmentFSFailure of freezer sensor due to cut or short circuit wire.rFFailure of fan motor at refrigerator compartmentrSFailure of refrigerator sensor due to cut or short circuit wire.rtFailure of ambient (RT) sensor due to cut or short circuit wire.SSFailure of Opti-Fresh (chill compartment) sensor due to cut or short circuit…Service modes (4)
- Exhibition (Demo) ModeOpen the door, then press and hold the REFRIGERATOR and EXPRESS FRZ
- Icemaker Test ModePress and hold the FILL key on the icemaker unit for about 3 seconds.
- Test Mode 1Push the test button on the Main PCB 1 time
- Test Mode 2 (Forced Defrost)Push the test button on the Main PCB 2 times
Full entry steps, exit procedures, and test sequences are available in Max.
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