Model reference

LG LRSC26912TT

Name: LG LRSC26912TT
Brand: LG

Refrigerator

8 documents8 error codes18 service modes

Available documentation

Service Manual

Refrigerator Service Manual143 pg
Covers this model
Refrigerator Service Manual143 pg
Covers this model
Refrigerator Service Manual142 pg
Covers this model
Refrigerator Service Manual143 pg
Covers this model
Refrigerator Service Manual131 pg
Covers this model

Bulletin

Service Bulletin - Change the Feeler Arm Twist Tray Icemakers3 pg
Covers this model
Service Bulletin3 pg
Covers this model
Service Bulletin - Change of Twist Tray Icemaker Assembly on side by side refrigerators4 pg
Covers this model

MyPros+ Max

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Test values, resistance specs, and wiring references
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Er on my LG LRSC26912TT

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Ambient temperature sensor failure —

From Service Manual 797339, p.31:

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 (8)

CodeMeaning

ErAmbient temperature sensor failure Er CFCooling BLDC fan motor defect Er COCommunication error between main PCB and display PCB Er dHDefrost heater failure Er dSDefrost sensor abnormal short circuit detected.Er FFFreezing BLDC fan motor defect Er FSFreezer sensor short circuit detected.Er rSRefrigerator sensor 1 (upper part) short circuit detected.

Service modes (18)

Buzzer Sound Mute ModePress and hold the 'Express FRZ' button for more than 5 seconds until recognition sound 'Ding~' is…
Display Power Saving ModePress 'Freezer' and 'Express FRZ' buttons simultaneously and hold for 5 seconds
Exhibition (Demo) ModePress both the 'Express FRZ' button and the 'REFRIGERATOR' button simultaneously for more than 5…
Exhibition / Demo ModePress and hold both the 'Express FRZ' button and the 'REFRIGERATOR' button simultaneously for more…
Exhibition Mode (Demo Mode)Press and hold both the 'Freezer' button and the 'Refrigerator' button simultaneously for more than…
Fahrenheit to Celsius Display ChangePress and hold 'FREEZER' and 'REFRIGERATOR' buttons simultaneously for more than 5 seconds.
Failure Diagnosis Check (Hidden Sensor Check)Press both the 'Freezer Temperature' button and the 'Express Freezer' button for more than 1 second.
Failure Diagnosis Check (Hidden Sensor Status)Press and hold the Freezer temperature button and Express Freezer button for more than 1 second.
Failure Diagnosis Check DisplayPress and hold the Freezer temperature button and the Express Freezer button simultaneously for…
Icemaker Test ModePress and hold the water supply control switch on the icemaker for 3 seconds.
Jet Freezing Fan CheckPress the Freezer adjust button and Express Freezing button simultaneously for more than 1 second.
Jet Freezing Fan Motor CheckPress the Freezer adjust button and Express Freezing button simultaneously for more than 1 second.
LCD/LED Check FunctionSimultaneously press the Express Freezer button and the Freezer temperature adjustment button for…
LCD/LED Display Check ModePress and hold the EXPRESS/JET FRZ button and the FREEZER Temperature adjustment button…
Test Mode 1 (Strong Cold / Compulsory Function)Press the test button on the main PCB once.
Test Mode 1 (Strong Cold / Compulsory Operation)Press the test button on the main PCB once.
Test Mode 2 (Forced Defrost)Press the test button on the main PCB once while in Test Mode 1.
Troubleshooting Check Display (Hidden Error Check)Press the freezer temperature and express freezer buttons simultaneously for more than 1 second.

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

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