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Trouble Shooting; 7-1.Before Svc Checking; 7-2.Qc Test Mode; 7-3.How To Know The Water Level Frequency - LG WD-14120(5)RD Service Manual

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7. TROUBLE SHOOTING

7-1.BEFORE SVC CHECKING

■ Be careful of electric shock or disconnecting the parts while trouble shooting.
■ Voltage of each terminal in 220-240V~ and DC while applying an electric current.

7-2.QC TEST MODE.

① ① Pressing Rinse, and Spin button simultaneously.
② ② Power supply ON with pressing upper two button.Then buzzer sound twice.
③ ③ Press the Start/Pause button as follows.
~Press the Start/Pause button more 4 times until stop spinning₩
Pressing number of
[Start/Pause] button
None
1 time
2 times
3 times
4 times
5 times
6 times
7 times
8 times
9 times
10 times

7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY

Press the Rinse and Spin button simultaneously.
ex) 241 : Water level frequency = 241× 10 -1 ㎑
7-4.HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR
AT OPERATING CONDITION.
I Thermistor in tub : Press the [WATER TEMP] button.
I Thermistor in dry duct : Press the [DRY] button.
I Thermistor in condensing duct : Press the [SPIN] and [DRY] button simultaneously.
Checking Point
All lamps turn on
Clockwise spin(right)
Low speed Spin
High speed Spin
Inlet valve for pre-wash operation
Inlet valve for main-wash operation
Inlet valve for dry operation
Counterclockwise spin(left)
Heater is in operation for 3 sec.
Draining pump operation
Dry operation for 6 minutes
The digits means water level frequency(10
=24.1㎑
Drum rpm(About 40~52)
Drum rpm(About 70~90)
Drum rpm(About 90~110)
Water level frequency(25~65)
Water level frequency(25~65)
Water level frequency(25~65)
Drum rpm(About 40~52)
Water temperature
Water level frequency
Auto off operation after 6 minutes
-1
)
13
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