Model reference
LG J531Q34E220M3502
Refrigerator
3 documents16 error codes10 service modes
Available documentation
Service Manual
- REFRIGERATOR Service Manual81 pg
- REFRIGERATOR Service Manual81 pg
Installation Guide
- LG Samsung RS20C Operation Instruction & Installation3 pg
MyPros+ Max
Diagnose your LG J531Q34E220M3502.
- 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 (16)
CodeMeaning
F-area defroster sensor open/shortFreezer evaporator defrost sensor has an open or short circuit fault, detected…F-defrost sensor openFreezer area defroster sensor open circuit faultF-defrost sensor shortFreezer area defroster sensor short circuit faultF-sensor openFreezer room temperature sensor open circuit faultF-sensor open/shortFreezer room temperature sensor has an open or short circuit fault, detected…F-sensor shortFreezer room temperature sensor short circuit faultFFDisplayed on freezer display when forced running test mode is activated…Outer sensor openAmbient (outer) temperature sensor open circuit faultOuter sensor open/shortAmbient (outside) temperature sensor has an open or short circuit fault…Outer sensor shortAmbient (outer) temperature sensor short circuit faultR-area defroster sensor open/shortRefrigerator evaporator defrost sensor has an open or short circuit fault…R-defrost sensor openRefrigerator area defroster sensor open circuit faultR-defrost sensor shortRefrigerator area defroster sensor short circuit faultR-sensor openRefrigerator room temperature sensor open circuit faultR-sensor open/shortRefrigerator room temperature sensor has an open or short circuit fault…R-sensor shortRefrigerator room temperature sensor short circuit faultService modes (10)
- Display function of presently operating parts1
- Display of presently operating partsPress Quick Freeze and Quick Cool buttons together for 3 seconds during normal operation (LED…
- Exhibition modePress Quick Freeze button and Freezer Temp button together.
- Forced defrost1
- Forced defrost (test mode)While in forced running mode, press the PCB test button once more for R-defrost only
- Forced running (test mode)Remove main PCB cover from upper part of refrigerator
- Sabbath functionPress Freezer and Refrigerator temperature buttons together for 5 seconds.
- Self-test (during normal operation)Press Quick Freeze and Quick Cool buttons together for 3 seconds (LED display toggles ON/OFF for 2…
- Self-test (Power ON)Power on the unit
- Self-test (power-on)Power on the unit; MICOM automatically performs self-test within 1 second, checking all temperature…
Full entry steps, exit procedures, and test sequences are available in Max.
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