Model reference
LG LMX21981XX
Refrigerator
3 documents6 error codes4 service modes
Available documentation
Service Manual
- Lg_training_manual78 pg
Service Flash
- Service Instructions affecting energy usage issues on 2008 models with Indoor Icemakers4 pg
Training
- LG TRAINING MANUAL Four Door Refrigerator LMX21981**78 pg
MyPros+ Max
Diagnose your LG LMX21981XX.
- 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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Service modes (4)
- Display Power-Saving Mode["Simultaneously press the FREEZER and ICE PLUS buttons and hold them for 5 seconds until a tone…
- Fahrenheit/Celsius Toggle["Simultaneously press and hold the FREEZER and REFRIGERATOR buttons for more than 5 seconds."]
- Icemaker Test Mode["Press and hold the cube size button for more than three seconds to put the icemaker into test…
- Main PCB Test Mode["Press the test button on the main PCB controller."]
Full entry steps, exit procedures, and test sequences are available in Max.
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