Troubleshooting; Before Svc Checking; Qe Test Mode; How To Know The Water Level Frequency - LG FH2D7RD Series Service Manual

7. TROUBLESHOOTING

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
The washer must be empty and the controls must be in the off state.
1. Press the Rinse and Temp buttons simultaneously.
2. Press the Power
3. Press the Start/Pauser
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

7-3. HOW TO KNOW THE WATER LEVEL FREQUENCY

 Press the Rinse and Temp. button simultaneously.

The digits means water level frequency(10-1 kHz)
ex) 241 : Water level frequency = 241 x 10
button, while the above condition. Then buzzer will sound twice.
button repeatedly to cycle through the test modes.
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.
No Move
Inlet valve for Atomizing turns on.
Tumble counterclockwise
Tumble counterclockwise
Drying Fan turn on for 6min, and then
heater turn of for 6min.
off
= 24.1 kHz
rpm(40~50)
rpm(55~70)
rpm(100~120)
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
-1
kHz
14
FOR LG TECHNICIAN
Display Status