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Service Inspection Mode - Samsung DMR78AHS/XAC Service Manual

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4. Troubleshooting

4-2. Service Inspection Mode

- Press the Delay Start + Normal + Power keys at the same time for two seconds to enter Service Inspection Mode.
- "ALL" is displayed for the first three (3) seconds and then "t1" is displayed.
- You can change the mode by pressing the Normal key. Each time the Normal key is pressed, the mode changes in the order of t1 → t2 → t3 → t4 → t5 → t6 → t7 → t8.
- If you want to activate a mode while operating the dishwasher, the door must be closed (The Door switches are ON.)
- If an "oE", "LE" or "tE1" error occur, make sure to enter Service Inspection Mode after resolving it.
- Service Inspection Mode is described in the following table.
Mode
Related parts
Inlet Valve
t1
Flow Meter
Low Level Sensor
A nozzle does not inject
t2
Circulation Motor
water.
Circulation Motor
t3
Heater
Thermistor
The Fan Motor does not
t4
Fan Motor
operate.
Drain Pump
t5
Low Level Sensor
When the Micro Switch
is turned on/off, there is
t6
Low Level Sensor
no change on the display
or a symbol other than
On/OFF is displayed.
There is no change in the
t7
Thermistor
water temperature.
Half Load Position of
Distributor Motor
t8
Micro Switch
(DMR77 Model)
Caution
If it has the power problem, you must check the FUSE first.
This dishwasher has the FUSE upon the Base. Refer to the 4-10 page.
4-2
Symptoms
If you press the Delay Start key, water is drained for 45 seconds and then the water supply starts.
4E
If the pulse count is more than 660, change the mode.
9E
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 Circulation Motor.
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 Motor.
2. If a low water level is sensed, water is supplied again and the operation continues.
HE
3. The current temperature is shown on the display.
4. If the water temperature is more than 70ºC, the Heater does not operate.
Press the Delay Start key to start or stop the Fan Motor.
1. Press the Delay Start key to start the 2 parts.
5E
2. When draining is finished, "t5" is blinking on the Display LED.
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.
PE
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.
Note

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