Samsung DMR57 Training Manual page 30

Service Test Modes
1) Entry method: Press the "Delay Start+Normal+Power" Key simultaneously for 3 seconds.
2) Display: "t1" is displayed 3 seconds after everything is displayed.
3) It switches to t1->t2->t3->t4->t5->t6->t7->t8 mode depending on the Normal Key entry
- When operating each mode, the door must be kept closed.
- If an "oE", "LE" or "tE1" error occur, make sure to enter Service Inspection Mode after resolving it.
Mode Related part Symptoms (Error)
Inlet valve, Flow 4E error
Meter, Low
9E error
t1
Level Sensor
Circulation Nozzle does not spray
t2
Motor
Circulation HE error
Motor, Heater,
t3
Thermistor
t4 Fan Motor Fan Motor not working
Drain Pump, 5E error
Low Level
t5
Sensor
Low Level Display error when
Sensor turning Micro S/W
t6
on/off
Thermistor No change in water
t7
temperature
Distributor PE error
Motor,
Micro S/W
t8
(only DMR77)
Note
If you press the Delay Start key, water is drained for 45 seconds and then the water
supply starts.
If the pulse count is more than 660, change the mode.
Make sure to change the mode when the pulse count is more than 660 in t1 mode.
1. Press the Delay Start key to start or stop the pump.
2. If a low water level is detected, water is supplied again and the operation continues.
1. Press the Delay Start key to start or stop the heater and the circulation pump.
2. If a low water level is sensed, water is supplied again and the operation continues.
3. The current temperature is shown on the display.
4. It operates up to 70ºC.
Press the Delay Start key to start or stop the fan motor.
1. Press the Delay Start key to start the 2 parts.
2. "t5" starts blinking on the display while water is being drained.
3. When draining is finished, "t5" is displayed without blinking.
1. MICRO SWITCH On
→ The sensing state is displayed as 'On' on the 88 segment display.
2. MICRO SWITCH Off
→ The sensing state is displayed as 'OFF' on the 88 segment display.
The current temperature is displayed.
1. If you press the Delay Start key, the parts operate just once.
2. There is no stop function.
3. While the Distributor motor is operating, its sensing state is displayed as On/OFF
on the 88 segment display.
4. When the Distributor motor stops, the sensing state (On/OFF) of the micro switch
is displayed.
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