Read LG WD-90KFP Service Manual online
13
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 110V and DC while applying an electric current.
7-2.QC TEST MODE.
Pressing Rinse, and Spin button simultaneously.
Power supply ON with pressing upper two button.Then buzzer sound twice.
Press the Start/Pause button as follows.
Press the Start/Pause button more 4 times until stop spinning
7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY
Press the Rinse and Spin button simultaneously.
ex) 241 : Water level frequency = 241
10-1
=24.1
7-4.HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR
AT OPERATING CONDITION.
■
Thermistor in tub : Press the [WATER TEMP] button.
■
Thermistor in dry duct : Press the [DRY] button.
■
Thermistor in condensing duct : Press the [SPIN] and [DRY] button simultaneously.
The digits means water level frequency(10
-1
)
Pressing number of
Start/Pause button
Checking Point
Display Status
None
All lamps turn on
1 time
Clockwise spin(right)
Drum rpm(About 40~52)
2 times
Low speed Spin
Drum rpm(About 70~90)
3 times
High speed Spin
Drum rpm(About 90~110)
4 times
Inlet valve for pre-wash operation
Water level frequency(25~65)
5 times
Inlet valve for main-wash operation
Water level frequency(25~65)
6 times
Inlet valve for dry operation
Water level frequency(25~65)
7 times
Counterclockwise spin(left)
Drum rpm(About 40~52)
8 times
Heater is in operation for 3 sec.
Water temperature
9 times
Draining pump operation
Water level frequency
10 times
Dry operation for 6 minutes
Auto off operation after 6 minutes
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