Model reference
LG LTNC11121V
Refrigerator
2 documents12 error codes5 service modes
Available documentation
Service Manual
- Refrigerator Service Manual56 pg
- REFRIGERATOR SERVICE MANUAL54 pg
MyPros+ Max
Diagnose your LG LTNC11121V.
- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
Start diagnosing
$29/month · Cancel anytime · Or $9.95 3-day pass
Error codes (12)
CodeMeaning
Er dSDefrost temperature sensor errorEr FFFreezer fan errorEr rSRefrigerator room temperature sensor errorEr rtRoom (ambient) temperature sensor errorF dHDefrost heater errorLED 1 blinkAD Offset Error (FCT0 Error)LED 2 blinksStroke TripLED 3 blinksNo Connect TripLED 5 blinksPiston Lock TripLED 6 blinksActivation current overcurrent errorLED 7 blinksIPM faultLED 8 blinksCommunication error between compressor controller and refrigerator temperature…Service modes (5)
- Errors Diagnosis Mode (M101 Green LED)["Disassemble (remove) the PCB cover.","Observe the green LED indicator M101 on the Main PCB for…
- Errors Diagnosis Mode (M201 Red LED)["Disassemble (remove) the PCB cover.","Observe the red LED indicator M201 on the Main PCB for…
- Readjust (Exit Test Mode)["While in Test Mode 2, press the Test Mode button (SW1) one more time."]
- Test Mode 1["Open the main PCB cover to access the Test S/W button.","Press the Test Mode button (SW1) on the…
- Test Mode 2["First enter Test Mode 1 by pressing SW1 once.","While in Test Mode 1, press the Test Mode button…
Full entry steps, exit procedures, and test sequences are available in Max.
Related LG refrigerator models
78,000+ service manuals · 160,000+ error codes · 55+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass