mypros+
Model reference

LG WF409SNL

Washer

5 documents26 error codes11 service modes

Available documentation

Service Manual

  • Washing Machine Drum Type Service Manual3 pg
    Covers this model
  • Troubleshooting12 pg
    Covers this model
  • LG Samsung WF410ANRXAA sm 03 Disassembly n Reassembly11 pg
    Covers this model
  • LG Samsung WF410ANRXAA sm 01 Precaution4 pg
    Covers this model
  • Samsung Washer WF419AAW WF448 WF 409 Service Manual90 pg
    Covers this model
MyPros+ Max

Diagnose your LG WF409SNL.

  • 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 (26)

CodeMeaning
2EVoltage for motor control bus is over or under specified limit.3EMICOM is attempting to drive the motor but is not getting any response signals…7ESilver Care Kit (PCB) Failure.AECommunication error between SUB PBA and MAIN PBA.bEMotor error due to erroneous operating signals from hall sensor, disconnected…dcUnbalance error caused by laundry distribution issues in the drum.dLDoor error during operation caused by pressure difference from internal…dsDoor is detected as open while the unit is trying to lock the door (diagnostic…E2Communication error between sub and main PBAs due to signal sensing failure…E3Motor overload error caused by too much laundry (non-sensing), disconnected…E8Mems PBA error or data error detected; wire connection issue or Mems PBA…FLDoor lock fail error; door is not locked after the door close operation.HrHeater Relay FailureLEWater leakage error caused by heater engagement fault, displaced air hose…LODoor unlock fail error; door is not opened after the door open operation.ndThe water level fails to drop below the Reset Water Level within 15 minutes…nFWater supply error caused by foreign material in water supply valve…nF1The hot/cold water hose connection is not correct (diagnostic code 5).OEOverflow error caused by continuous water supply due to failed water level…PFPower failure notification; operation restarts from the cycle that was stopped…SF1System Error.SF2System Error.SF3System Error.SrSystem Relay (Main Relay) FailuresudsSuds is detected during the washing session; not a true errortEAbnormal high/low temperature or resistance (Thermal sensor or PBA resistance)…

Service modes (11)

  • Board Input Test Mode["Activate Service Mode first.","Press the My Cycle (or Pure Cycle or Steam) key during Service…
  • Continuous Run Mode["From Power On State (Normal User Mode), press Delay Start Key and Extra Rinse Key together for 3…
  • Cycle Count Check Mode["Activate Service Mode first.","Press the Signal Key during Service Mode."]
  • Demo Mode["From Normal User Mode (while a cycle is not running), press Delay Start + My Cycle (or Pure Cycle…
  • Diagnostic Code Check Mode["Activate Service Mode first.","Press the Extra Rinse key during Service Mode
  • EEPROM Clear Mode["The unit needs to be on.","Press Delay Start Key, Signal Key, and Power Key at the same time."]
  • Fast Time Down Test Mode["Activate Service Mode first.","Press the Temp key during Service Mode."]
  • Quick Spin Test Mode["Enter Service Mode first.","During Service Mode, press the Delay Start and My Cycle (or Pure…
  • Quick Test Mode["Plug in the unit (power off state).","Press Soil Key, Signal Key, and Power Key at the same…
  • S/W Version Check Mode["Activate Service Mode first.","Press the Soil Level Key during Service Mode."]
  • Service Mode["The washer must be on.","Press the Signal and Extra Rinse Keys for 3 seconds or until the unit…

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

Related LG washer models

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass