Model reference
LG RT40MB
Refrigerator
3 documents4 error codes4 service modes
Available documentation
Service Manual
- LG Samsung RT40MA MB Total48 pg
Tech Sheet
- LG Samsung RT40MA MB Product Specification1 pg
Wiring Diagram
- LG Samsung RT40MA MB Electrical Circuit Diagram2 pg
MyPros+ Max
Diagnose your LG RT40MB.
- 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 (4)
Service modes (4)
- Forced Defrosting (Test Mode 2)["While in Forced Starting mode (TEST S/W pressed once), press TEST S/W once more.","Forced…
- Forced Starting (Test Mode 1)["Press the TEST S/W on the Main PCB once.","COMP and FAN start immediately.","Indicating Lamp on…
- Self-Diagnosis["Power OFF the refrigerator.","Power ON the refrigerator.","Self-diagnosis function is carried out…
- Test Function Release (Test Mode 3)["While in Forced Defrosting mode, press TEST S/W once more."]
Full entry steps, exit procedures, and test sequences are available in Max.
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