Model reference
LG LRSC21935XX
Refrigerator
2 documents8 error codes4 service modes
Available documentation
Service Manual
- Refrigerator Service Manual130 pg
Other
- LRSC21935xx control function8 pg
MyPros+ Max
Diagnose your LG LRSC21935XX.
- 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 (8)
CodeMeaning
ErAmbient temperature sensor failureEr CFAbnormal cooling BLDC fan motorEr COAbnormal communicationEr dHDefrost heater failureEr dSDefrost sensor abnormal short circuit detected.Er FFAbnormal freezing BLDC fan motorEr FSFreezer sensor short circuit detected.Er rSRefrigerator sensor 1 (R1, upper part of refrigerator compartment) short…Service modes (4)
- LCD Check FunctionSimultaneously press the super freezer button and freezing temperature adjustment button for more…
- Test Mode 1 (Strong Cold / Compulsory Operation)Press the test button on the main PCB once
- Test Mode 2 (Forced Defrost)Press the test button on the main PCB once while in Test Mode 1
- Troubleshooting Check (Sensor/Component Status)Press freezer temperature button and super freezer button simultaneously for more than 1 second.
Full entry steps, exit procedures, and test sequences are available in Max.
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