Troubleshooting; 7-1.Before Performing Service; 7-3.How To Know The Water Level Frequency - LG WD-12480N Service Manual

7. TROUBLESHOOTING

7-1. BEFORE PERFORMING SERVICE 7-1. BEFORE PERFORMING SERVICE
■ Be careful of electric shock or disconnecting the parts while troubleshooting. ■ Be careful of electric shock or disconnecting the parts while troubleshooting.
■ Voltage of each terminal in 220-240V~ and DC while applying an electric current. ■ Voltage of each terminal in 220-240V~ and DC while applying an electric current.
7-2. QC TEST MODE.
① Pressing Option and Time button simultaneously.
② Power supply ON with pressing upper two button.
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
7-4.HOW TO KNOW THE WATER LEVEL FREQUENCY
Press the Temp. and Spin button simultaneously.
ex) 241 : Water level frequency = 241× 10 -1 kHz
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
Hot inlet valve in case of hot water fill
Inlet valve for main-wash operation
Counterclockwise spin (left)
A Heater is in operation for 3 sec.
Draining pump operation
Auto off operation
The digits means water level frequency (10
=24.1kHz
Checking Point
Motor rpm (About 45)
Motor rpm (About 63~67)
Motor rpm (About 79~85) : WD-80480S/N/T, 80490S/N/T
Motor rpm (About 95~106) : WD-10480S/N/T, 10490S/N/T
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
Motor rpm (About 45)
Water Temperature
Water level frequency
-1 kHz)
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