Samsung DMT800 SERIES Service Manual page 38

4-2. Service Inspection Mode
4-2-2. DMT400 series
- Press the 'Heavy' + 'Delicate' + 'Power' buttons at the same time for two seconds to enter Service Inspection Mode.
- All LEDs are displayed for the first two seconds and then Software-Ver. will be indicated Binary Code using LED of 'Normal, Heavy, Delicate, Smart Auto'.
- You can change the mode by pressing the Normal button again. If press the Normal button in this mode, the mode will be changed to next mode.
- If you want to activate a mode while operating the dishwasher, the door must be closed.
- If 'Heavy' LED , 'Heavy+Smart Auto' LED, 'Heavy+Delicate+Smart Auto' LED error occur, enter Service Inspection Mode after resolving it.
- Service Inspection Mode is described in the following table.
Mode Display Related Parts
Drain pump
Inlet Valve
'Smart Auto'
No.1 Flow Meter
LED
Water-level sensor
Turbidity
No.2 'Delicate' LED Circulation Motor
'Delicate' +
No.3 'Smart Auto' Circulation Motor
LED
Circulation Motor
Heater
No.4 'Heavy' LED
Thermistor
Dispenser
'Heavy' +
'Delicate' + Dry Fan Motor
No.5
'Smart Auto' Dispensor
LED
Inlet valve
No.6 'Normal' LED
Overflow Sensor
4-5
Symptoms
If Door is open, Door open warning ('Delicate + Smart Auto' LED) will blink.
If low level sensor is not detected, Drain is executed. Water supply will be executed when low level sensor
Door open warning is Off.
If water is not fully supplied(sensing on flow-meter), the Water Supply Error ('Smart Auto' LED) will blink.
Water supply Error When high level sensor is not detected after water supply was done, Low-level water error ('Normal +
Low level water Error Heavy + Smart auto' LED) will blink.
Turbidity Error When Turbidity problem is occurred after water supply was done, Turbidity Error ('Normal + Heavy' LED)
will blink.
If all functions in this mode are completed, Wash LED will blink.
A nozzle does not inject If Low Level sensor is detected before Circulation Motor is operating, ('Delicate + Sanitize' LED) will blink.
water. When water is filled enough, Circulation Motor -2(190W) will be operated.
A nozzle does not inject If Low Level sensor is detected before Circulation Motor is operating, ('Delicate + Smart auto + Sanitize'
water. LED) will blink. When water is filled enough, Circulation Motor- 1(150W) will be operated.
If Low Level sensor is detected before Circulation Motor is operating, ('Heavy + Sanitize' LED) will blink.
When water is filled enough, Circulation Motor 1(150W) and Heater will be operated.
Heater Error When the temperature meet 60˚C or above, the heater is turned off and the 'Wash' LED will blink.
If Heater or Thermistor have problems, the Heater Error ('Heavy + Delicate' LED) will blink.
Dispenser will operate during 130 seconds only one time.
The Dry Fan motor does Operate the Dry Fan Motor and check whether Rinse aid is filled or not.
not work. If there is not rinse aid in Dispenser, Rinse Refill lamp is ON.
Water is supplied until Over-level water error ('Heavy + Smart Auto' LED) is blinked.
Over level water Error
If Over-level water error occurs, overflow sensor is OK.
Note
4. Troubleshooting