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Model reference

LG LDF7774ST

Dishwasher

4 documents14 error codes17 service modes

Available documentation

Service Manual

  • Dishwasher Service Manual68 pg
    Covers this model
  • Owner's Manual Dishwasher100 pg
    Covers this model
  • Dishwasher Service Manual70 pg
    Covers this model

Other

  • LG Samsung LDF7774ST68 pg
    Covers this model
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Error codes (14)

CodeMeaning
AEWater leakage problem.E1Water leakage problem.FEExcessive water supplied.HEHeater circuit failure.IEWater inlet problem.LEMotor trouble.nEVario errorOEDrainage problem.PFPower failure indicator; displays when there has been a power surge, outage, or…SE0Steam generator normal conditionSE1Steam generator errorSE3Steam generator errorSE4Steam generator errortEThermal error

Service modes (17)

  • Cancel Cycle (LDF8874/LDF8764/LDF7774)["Open the door.","Press and hold the Delicate and Dual Control buttons together for approximately…
  • Cancel Cycle (LDS5774)["Open the door.","Press and hold the Spray and Half Load buttons together for approximately three…
  • Child Lock (LDF8874/LDF8764/LDF7774)["Open the dishwasher door.","Press the POWER button.","Select the cycle and desired…
  • Child Lock (LDS5774)["Press the POWER button.","Select the cycle and desired options.","Press and hold the Half Load…
  • Chime ON/OFF (LDF8874/LDF8764/LDF7774)["Turn on the dishwasher.","Press and hold the Delicate and Quick&Dry buttons simultaneously for…
  • Chime ON/OFF (LDS5774)["Turn on the dishwasher.","Press and hold the Spray and Delay Start buttons simultaneously for…
  • Function Test While Operating["While dishwasher is running a cycle, press button combinations to display real-time data:","Auto…
  • Function Test While Operating (LDF7774/LDS5774)["While cycle is running, press button combinations to display real-time values:","Auto + Dual…
  • Function Test While Operating (LDF8874/LDF8764)["While cycle is running, press button combinations to display real-time values:","Auto + Dual…
  • High Temp ON/OFF["Press and hold the Extra Dry and Rinse buttons simultaneously for approximately three seconds."]
  • Smart Diagnosis (via Call Center)["1. Call the LG call center at
  • Smart Diagnosis (via Smart Phone)["1
  • Steam Generator Error Check["Press SPRAY and HALF LOAD buttons simultaneously to display steam generator error code."]
  • Test Mode (LDF7774)["Press Auto + Heavy + POWER simultaneously to enter test mode.","Press DELAY START button 1 to 9…
  • Test Mode (LDF8874/LDF8764)["Press Auto + Heavy + POWER simultaneously to enter test mode.","Press DELAY START button 1 to 12…
  • Test Mode (LDF8874/LDF8764/LDT9965)["Press Auto + Heavy + POWER simultaneously to enter test mode.","All LEDs will light and display…
  • Test Mode (LDS5774)["Press HALF LOAD + DELAY START + POWER simultaneously to enter test mode.","Press DELAY START…

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