mypros+
Model reference

LG RM255AB

Refrigerator

1 document24 error codes4 service modes

Available documentation

Service Manual

  • NEXT-RM257AC Troubleshooting26 pg
    Covers this model
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Error codes (24)

CodeMeaning
C-FAN ERRORC-fan motor errorCF-DEFROST ERRORCF compartment defrosting heater errorCF-FAN ERRORCF-fan motor errorCF-SENSORCF compartment sensor errorCR SENSORCR compartment sensor errorCR-DEFROST ERRORCR compartment defrosting heater errorCR-FAN ERRORCR-fan motor errorDEFROSTING SENSOR OF CF COMPARTMENTCF compartment defrosting sensor errorDEFROSTING SENSOR OF CR COMPARTMENTCR compartment defrosting sensor errorDEFROSTING SENSOR OF R COMPARTMENTR compartment defrosting sensor errorEXT-SENSORExternal/ambient temperature sensor errorF-DEF-SENSORF compartment defrosting sensor errorF-DEFROSTING ERRORF compartment defrosting heater errorF-FAN ERRORF-fan motor errorF-SENSORFreezer compartment sensor errorI/M FUNCTION ERRORIce maker function errorI/M-SENSORIce maker sensor errorICE PIPE HEATER ERRORIce pipe heater housing missing or electric wire cut.L↔M COMMUNICATION ERRORCommunication error between MAIN MICOM and LOAD (SUB) MICOM; LED panel repeats…P↔M COMMUNICATION ERRORCommunication error between PANEL MICOM and MAIN MICOM; LED panel repeats ALL…R-DEFROSTING ERRORR compartment defrosting heater errorR-FAN ERRORR-fan motor errorR-SENSORRefrigerator compartment sensor errorWATER HEATER ERRORWater heater housing missing or electric wire cut.

Service modes (4)

  • Option Setting ModeSimultaneously press the Arctic Select Zone Setting Key and the Fridge Compartment Key for about 12…
  • Self-Diagnostics Mode (During Normal Operation)Press the Freezer setting + Fridge setting keys simultaneously for approximately 8 seconds (display…
  • Self-Diagnostics Mode (Initial Power ON)Automatic
  • Test Mode (Forced Operation / Forced Defrosting)Simultaneously press the Fresh Select Zone key and the F compartment key on the PANEL PCB for more…

Full entry steps, exit procedures, and test sequences are available in Max.

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