mypros+
Model reference

LG LFX23961ST/02

Refrigerator

3 documents9 error codes11 service modes

Available documentation

Service Manual

  • Refrigerator Service Manual50 pg
    Covers this model
  • Refrigerator Service Manual52 pg
    Covers this model
  • Refrigerator Service Manual51 pg
    Covers this model
MyPros+ Max

Diagnose your LG LFX23961ST/02.

  • 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 (9)

CodeMeaning
Er COFailure of communication between display and Main PCB.Er dHFailure of defrost modeEr dSFailure of defrost sensor due to cut or short circuit wire.Er FFFailure of BLDC fan motor at freezing compartmentEr FSFailure of freezer sensor due to cut or short circuit wire.Er IFFailure of BLDC fan motor for ice maker at freezing compartmentEr ISFailure of icing sensor due to cut or short circuit wire.Er rSFailure of refrigerator sensor due to cut or short circuit wire.Er rtFailure of room temperature sensor due to cut or short circuit wire (visible in…

Service modes (11)

  • Demonstration Mode (Off Mode)["Open any door.","Press and hold Ice Plus and Refrigerator buttons simultaneously for over 5…
  • Ice Maker Test Mode["Press and hold the Fill Key on the icemaker for 3 seconds.","The icemaker will run through 3…
  • Icemaker Test Mode["Press and hold the Fill Key on the icemaker for 3 seconds.","Icemaker runs through 3 stages
  • LED Check Function["Simultaneously press Ice Plus button and Freezer Temp button for one second.","Display LED…
  • Temperature Display Toggle (°F/°C)["Press and hold the FREEZER and REFRIGERATOR keys at the same time for over 5 seconds."]
  • Test Mode 1 (Forced Cooling)["Push the Test Switch on the Main Board once."]
  • Test Mode 2["While in Test Mode 1, push the Test Switch on the Main Board once."]
  • Test Mode 3 (Forced Defrost)["While in Test Mode 2, push the Test Switch on the Main Board once."]
  • TEST1["Push the TEST switch on the main board once."]
  • TEST2["While in TEST MODE 1, push the TEST switch on the main board once."]
  • TEST3["While in TEST MODE 2, push the TEST switch on the main board once."]

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