Model reference

LG GR-C207

Name: LG GR-C207
Brand: LG

Refrigerator

5 documents15 error codes19 service modes

Available documentation

Service Manual

Refrigerator Service Manual152 pg
Covers this model
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MyPros+ Max

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Test values, resistance specs, and wiring references
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M+ Max·LG Refrigerator

Er on my LG GR-C207

M+

Failure of outside (ambient)

From Service Manual 331843, p.15:

1.Access service mode to confirm the active fault code and read stored error history.

2.Disconnect the sensor and measure resistance. Expected: 10 kΩ to 12 kΩ at 77°F (25°C).

3.Check the sensor harness for opens. A reading outside 5 kΩ to 50 kΩ indicates a failed sensor.

Part 6322FR2046G

Temperature thermistor

Error codes (15)

CodeMeaning

ErFailure of outside (ambient) temperature sensor Er CFFailure of BLDC fan motor in machine room Er COCommunication failure Er dHDefrost heater failure Er dSFailure of frost removal (defrost) sensor Er FFFailure of BLDC fan motor in freezing room Er FSFailure of freezer sensor Er rSFailure of refrigerator sensor 1 F1Abnormal freezer (F) sensor F1 F2Faulty defrost F1 F3Abnormal freezer BLDC fan motor F1 F4Abnormal cooling BLDC fan motor F2Abnormal refrigerator sensor 1 (R1)F3Abnormal refrigerator sensor 2 (R2)F4Abnormal defrost sensor

Service modes (19)

Buzzer Sound Mute ModePress and hold the Express FRZ button for more than 5 seconds until 'Ding~' recognition sound is…
Display Power Saving ModePress 'Freezer' and 'Express FRZ' buttons simultaneously for 5 seconds until all LEDs turn ON then…
Exhibition (Demo) ModePress both 'Express FRZ' and 'REFRIGERATOR' buttons simultaneously for more than 5 seconds until…
Freezer Fan RPM Variation CheckWhile freezer fan is in operation, press freezer and refrigerator temperature control buttons…
Ice Maker Test FunctionPress the test switch under the automatic ice maker for more than 0.5 second while ice maker mould…
LCD Check FunctionSimultaneously press the special freezing button and the freezing (cold) temperature adjustment…
LED Check / Hidden Sensor DiagnosticPress freezer and refrigerator temperature control buttons simultaneously for more than 1 second.
LED Check FunctionPress freezer and refrigerator temperature control buttons simultaneously for more than 1 second.
LED Check Mode (Hidden Fault Check)Press both the freezer temperature control button and the refrigerator temperature control button…
Test Mode 1 - Forced StartPress test button on main PWB once.
Test Mode 1 (Compulsory Operation)Press the TEST switch on the Main PCB once.
Test Mode 1 (Compulsory/Forced Cooling)Press the test button on the main PCB once.
Test Mode 1 (Forced Operation)Press the TEST switch on the main PCB once.
Test Mode 1 (Freezing Force / Compulsory Function)Press the test button on the main PCB once.
Test Mode 2 - Check Freezer FanPress test button once while in Test Mode 1.
Test Mode 2 (Compulsory Defrost)Press the test button on the main PCB once while in Test Mode 1.
Test Mode 2 (Compulsory Frost Removal)While in Test Mode 1, press the TEST switch on the Main PCB once more.
Test Mode 2 (Forced Defrost)While in Test Mode 1, press the TEST switch on the main PCB once more.
Test Mode 3 - Forced DefrostPress test button once while in Test Mode 2.

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

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