Samsung DMT300 Series Training Manual page 35

Trouble Shooting
- 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. It will be indicated Binary Code using „Wash + Dry + Clean + Child Lock‟ LED.
- You can change the mode by pressing the Normal button once more. If press the Normal button in any mode, mode will be changed to next mode.
- If „Heavy + Quick‟ LED, „Heavy‟ LED or „Heavy + Delicate + Quick‟ LED error occur, enter the Service Inspection Mode after resolving problem.
- Service Inspection Mode is described in the following table. When you activate this inspection mode, the door must be closed.
Mode Display Related Parts
No.1 'Quick' LED Inlet Valve
Flow Meter
Low Level Sensor
No.2 'Delicate' LED Circulation Motor
No.3 'Delicate' + Circulation Motor
'Quick' LED Heater
Thermistor
No.4 'Heavy' + Fan Motor
'Quick' LED Dispensor
No.5 'Heavy' + Overflow Sensor
'Delicate' LED
No.6 'Heavy' + Drain Pump
'Delicate' + Low Level Sensor
'Quick' LED
No.7 'Normal' + Inlet Valve
'Quick' LED Circulation Motor
Fan Motor
Drain Pump
Heater
SVC Test Mode
Symptoms
(LED Blinking)
Water Supply Error If Door is open, 'Delicate' + 'Quick' LED will blink.
Water is supplying after low level S/W is detected. If low level S/W is high, Draining at first.
Low Level Water
If water is not supplied, Water Supply Error ('Quick' LED) will blink.
Error
When water level is low after water is supplied, Low Level Water Error ('Normal' + 'Heavy' + 'Quick' LED) will
blink.
'Normal' + 'Heavy'
When Turbidity problem is detected after water is supplied, 'Normal' + 'Heavy' + 'Delicate' LED will blink.
+ 'Delicate' LED
If all functions in this mode are completed, 'Wash' LED will blink.
A nozzle does not If Low Level S/W is detected before Circulation Motor is operating, 'Sanitize' LED will blink.
inject water.
Heater Error If Low Level S/W is detected before Circulation Motor is operating, 'Sanitize' LED will blink.
Circulation Motor and Heater will be operated.
When the temperature is 60℃ or above, the heater is turned off and 'Wash' LED will blink.
If Heater or Thermistor have problems, the Heater Error ('Heavy' + Delicate' LED) will blink.
Dispenser will operate during 2 minutes and 10 seconds only one time.
The Fan Motor does Operate Vent Motor and check whether Rinse aid is filled.
not work. If there is not rinse in Dispenser, Rinse Refilled light is ON.
Over level water Water is supplied until Over Level Water Error ('Heavy' + 'Quick' LED) is blinked.
error
If Over Level Water Error occurs, overflow sensor is OK.
Drain Error Drain pump will work until low level is detected.
If Low level is not detected after 60 seconds, Drain Error ('Delicate' LED) will blink.
Operate each operating part when the button is pressed. (See the below)
When the 'Quick' button is pressed, it toggles between Inlet Valve On ('Quick' LED On) -> Off ('Quick' LED
Off).
When 'Heavy' button is pressed, it works Circulation Motor On ('Heavy' LED On) -> Off ('Heavy' LED Off) ->
Fan Motor On ('Heavy' LED On) -> Off ('Heavy' LED Off), Drain Pump On ('Heavy' LED On) -> Off ('Heavy'
LED Off)
When 'Delicate' button is pressed, it woks Heater On ('Delicate' LED On during 2 seconds).
When a different button is pressed during individual operation of the operating part, operating part is
stopped and the applicable operation for the pressed button's function will start.
Note