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Service Inspection Mode - Samsung DMT300RFB/XAA Troubleshooting Manual

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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.
Mod
Display
Related Parts
e
No.1
'Quick' LED
Inlet Valve
Flow Meter
Low Level
Sensor
No.2
'Delicate'
Circulation
LED
Motor
No.3
'Delicate' +
Circulation
'Quick' LED
Motor
Heater
Thermistor
No.4
'Heavy' +
Fan Motor
'Quick' LED
Dispensor
No.5
'Heavy' +
Overf low
'Delicate'
Sensor
LED
No.6
'Heavy' +
Drain Pump
'Delicate' +
Low Level
'Quick' LED
Sensor
No.7
'Normal' +
Inlet Valve
'Quick' LED
Circulation
Motor
Fan Motor
Drain Pump
Heater
# tsDMT300RF RevB 03/21/2011
Symptoms
(LED Blinking)
Water Supply
If Door is open, 'Delicate' + 'Quick' LED will blink.
Error
Water is supplying af ter low level S/W is detected. If low level S/W is high, Draining at f irst.
If water is not supplied, Water Supply Error ('Quick' LED) will blink.
Low Level Water
When water level is low af ter water is supplied, Low Level Water Error ('Normal' + 'Heavy'
Error
+ 'Quick' LED) will blink.
When Turbidity problem is detected af ter water is supplied, 'Normal' + 'Heavy' + 'Delicate'
'Normal' +
LED will blink.
'Heavy' +
'Delicate' LED
If all f unctions in this mode are completed, 'Wash' LED will blink.
A nozzle does
If Low Level S/W is detected bef ore Circulation Motor is operating, 'Sanitize' LED will blink.
not inject water.
Heater Error
If Low Level S/W is detected bef ore 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 of f 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
Operate Vent Motor and check whether Rinse aid is f illed.
does not work.
If there is not rinse in Dispenser, Rinse Ref illed 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, overf low sensor is OK.
Drain Error
Drain pump will work until low level is detected.
If Low level is not detected af ter 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) ->
Of f ('Quick' LED Of f ).
When ‗Heavy' button is pressed, it works Circulation Motor On ('Heavy' LED On) -> Of f
('Heavy' LED Of f ) -> Fan Motor On ('Heavy' LED On) -> Of f ('Heavy' LED Of f ), Drain
Pump On ('Heavy' LED On) -> Of f ('Heavy' LED Of f )
When 'Delicate' button is pressed, it woks Heater On ('Delicate' LED On during 2 seconds).
When a dif f erent button is pressed during individual operation of the operating part,
operating part is stopped and the applicable operation f or the pressed button's f unction will
start.
Note
6

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