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Model reference

Samsung DMR78AHW/XAA

Dishwasher

5 documents11 error codes15 service modes

Available documentation

Tech Sheet

  • Dead Dishwasher — Possible Bad Fuse Fast Track Troubleshooting9 pg
    Covers this model
  • Fast Track Troubleshooting9 pg
    Covers this model

Service Manual

  • SERVICE DISHWASHER Manual106 pg
    Covers this model
  • Dishwasher Service Manual106 pg
    Covers this model

Other

  • ASC201003080013 pg
    Covers this model
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Error codes (11)

CodeMeaning
4EWater supply error4E1Water supply error related to hot water temperature exceeding 176°F (80°C) or…5EDrain error9ELow level sensor errorbE2Button errorHEHeater errorHE1Heater error related to thermistor malfunction or heater relay failure.LEWater leakage erroroEOverflow errorPEHalf load errortE1Thermistor error

Service modes (15)

  • Service Inspection ModePress the Delay Start + Normal + Power keys at the same time for two seconds
  • t1 - Inlet Valve / Flow Meter / Low Level Sensor TestEnter Service Inspection Mode, select t1 (default), press Delay Start to activate.
  • t1 - Water Supply TestEnter Service Inspection Mode, then navigate to t1 using the Normal key
  • t2 - Circulation Motor TestEnter Service Inspection Mode, navigate to t2 using the Normal key.
  • t3 - Circulation Motor / Heater / Thermistor TestEnter Service Inspection Mode, press Normal key until t3 is displayed, press Delay Start to start…
  • t3 - Heater and Thermistor TestEnter Service Inspection Mode, navigate to t3 using the Normal key.
  • t4 - Fan Motor TestEnter Service Inspection Mode, navigate to t4 using the Normal key.
  • t5 - Drain Pump / Low Level Sensor TestEnter Service Inspection Mode, press Normal key until t5 is displayed, press Delay Start to start.
  • t5 - Drain Pump TestEnter Service Inspection Mode, navigate to t5 using the Normal key.
  • t6 - Low Level Sensor Display TestEnter Service Inspection Mode, press Normal key until t6 is displayed.
  • t6 - Low Level Sensor TestEnter Service Inspection Mode, navigate to t6 using the Normal key.
  • t7 - Thermistor TestEnter Service Inspection Mode, navigate to t7 using the Normal key.
  • t8 - Distributor Motor / Micro Switch Test (DMR77 model)Enter Service Inspection Mode, press Normal key until t8 is displayed.
  • t8 - Half Load / Distributor Motor TestEnter Service Inspection Mode, navigate to t8 using the Normal key.
  • t8 - Synchronous Motor / Micro Switch TestEnter Service Inspection Mode, press Normal key until t8 is displayed, press Delay Start to…

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