Read LG WD-14378TD 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 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
① Pressing Rinse and Steam Wash button simultaneously.
②
②
② Press the Power button, while the above condition.
③
③
③ Press the Start/Pause button as follows.
7-4.HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION.
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY
So, for example a display indicating 058:
a Water level frequency of 20+(58 x 0.1)= 25.8 kHz
a Water level frequency of 20+(58 x 0.1)= 25.8 kHz
Press the Rinse and Medic Rinse button simultaneously.
• The digits indicate the water level frequency.
Check Point
Display Status
None
Turns on all lamps and locks the door.
1 time
Tumble clockwise.
rpm (42~50)
2 times
Low speed Spin.
rpm (55~65)
3 times
High speed Spin.
rpm (125~155)
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 steam turns on.
Water level frequency (25~65)
8 times
Inlet valve for bleach turns on.
Water level frequency (25~65)
9 times
Tumble counterclockwise.
rpm (42~50)
10 times
Heater turns on for 3 sec.
Water temperature
11 times
Circulation pump turns on.
Water level frequency (25~65)
12 times
Drain pump turns on.
Water level frequency (25~65)
13 times
Water level Sensor for Steam
Water level frequency of TSG(0~255)
14 times
Steam Heater turns on for 1.2 sec.
TSG temperature
15 times
Off
-
Number of times the
Start/Pause button is pressed
QC TEST MODE
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Press the Rinse and Medic Rinse button simultaneously.
• Thermistor in tub temperature.
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