LG WD-1488RD - TROUBLE SHOOTING; Pre-Service Checks; Test Modes and Data Interpretation

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 220-240V~ and DC while applying an electric current.
7-2.QC TEST MODE.

Pressing Rinse, and Spin button simultaneously.

Press the Power button, while the above condition.

Press the Start/Pause button as follows.
7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY
󰁉 Press the Rinse and Spin button simultaneously.
ex) 241 : Water level frequency = 241 10
-1
kHz
=24.1 kHz
7-4.HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR
AT OPERATING CONDITION.
■ Thermistor in tub : Press the [Temp.] button.
■ Thermistor in dry duct : Press the [Dry] button.
■ Thermistor in condensing duct : Press the [Intensive] and [Spin] button simultaneously.
The digits means water level frequency(10
-1
kHz)
Check Point Display Status
None Turns on all lamps and locks the door.
1 time Tumble clockwise. rpm (40~50)
2 times Low speed Spin. rpm (600~650)
3 times High speed Spin. rpm (1300~1350)
4 times Inlet valve for prewash turns on. Water level frequency (25~65)
5 times Inlet valve for main wash turns on. Water level frequency (25~65)
6 times Inlet valve for hot water turns on. Water level frequency (25~65)
7 times Inlet valve for dry water turns on. Water level frequency (25~65)
8 times Tumble counterclockwise. rpm (40~50)
9 times
Heater turns on for 3 sec. Water temperature
10 times Circulation pump turns on. Water level frequency (25~65)
11 times
Drain pump turns on. Water level frequency (25~65)
12 times
Power off and unlock the door. Turn off all lamps.
Number of times the
Start/Pause button is pressed