Trouble Shooting; 7-1.Before Svc Checking; 7-2.Qc Test Mode; 7-3.How To Know The Water Level Frequency - LG WD-1247RD Service Manual

7. TROUBLE SHOOTING

7-1.BEFORE SVC CHECKING

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

7-2.QC TEST MODE.

Pressing Rinse, and Temp. button simultaneously.
Press the Power
Press the Start/Pause button as follows.
Number of times the
Start/Pause button is pressed
None
1 time
2 times
3 times
4 times
5 times
6 times
7 times
8 times
9 times
10 times
11 times
12 times
13 times
14 times
15 times
16 times

7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY

Press the Rinse and Temp. button simultaneously.
ex) 241 : Water level frequency = 241
7-4.HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR
AT OPERATING CONDITION.
I Thermistor in tub : Press the [Temp.] button.
I Thermistor in dry duct : Press the [Turbo Steam] button.
button, while the above condition.
Check Point
Turns on all lamps and locks the door.
Tumble clockwise
Low speed Spin.
High speed Spin
Inlet valve for prewash turns on.
Inlet valve for main wash turns on.
Inlet valve for hot water turns on.
Inlet valve for steam water turns on.
Inlet valve for dry water turns on.
Tumble counterclockwise
Wash heater turns on for 3 sec.
Circulation pump turns on.
Drain pump turns on.
Dry heater turns on for 3 sec.
Water level Sensor for Steam
Steam Heater turns on for 1,2 sec.
Power off and unlock the door.
The digits means water level frequency(10
10 -1 kHz
=24.1 kHz
14
Display Status
rpm (42~50)
rpm (55~65)
rpm (110~120)
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
rpm (42~50)
Water temperature
Water level frequency (25~65)
Water level frequency (25~65)
Water temperature
Water level frequency of TSG (0~255)
TSG temperature
Turn off all lamps.
-1 kHz)