Troubleshooting; 7-1.Before Performing Service; 7-2.Qc Test Mode; 7-3.How To Know The Water Level Frequency - LG WD-3274RHD Service Manual

7. TROUBLESHOOTING

7-1.BEFORE PERFORMING SERVICE

Be careful of electric shock or disconnecting the parts while trouble shooting.
Voltage of each terminal in 120V~ and DC while applying an electric current.

7-2.QC TEST MODE.

Á
Pressing SPIN, and TEMP. button simultaneously.
¤ ¤
¤ ¤ Ł Ł Power supply ON with pressing upper two button.Then buzzer sound twice.
¤ ¤ Ø Ø 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

7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY

Press the OPTION and TEMP. button simultaneously.
ex) 241 : Water level frequency = 241
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.
Checking Point
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
Inlet valve for dry operation
Counterclockwise spin (left)
Heater is in operation for 3 sec.
Draining pump operation
Dry operation for 6 minutes
The digits means water level frequency (10
=24.1
-1 )
10 -1
13
Display Status
Drum rpm (About 40~52)
Drum rpm (About 70~90)
Drum rpm (About 110~130)
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
Drum rpm (About 40~52)
Water temperature
Water level frequency
Auto off operation after 6 minutes