Troubleshooting; Before Performing Service; Qc Test Mode; How To Check The Water Level Frequency - LG GCWM1069CS7 Service Manual

8. TROUBLESHOOTING

8-1. BEFORE PERFORMING SERVICE

Be careful of electric shock when disconnecting parts while troubleshooting.
The voltage of each terminal is 120V- when the unit is plugged in.

8-2. QC TEST MODE.

The washer must be empty.
How to enter Programming mode:
Coin type – Turn on/off toggle switch.
-
Card type – Insert the service card.
-
All types –
-
1) Press the 1st & 3rd button at the same time.
2) Press the 2nd & 3rd buttons to toggle numbers.
Then, press the 4th button to move to the next digit.
3) Press the Start button to finish password input.
※ Default Password : 3000
Number of times the
Start button is pressed

8-3. HOW TO CHECK THE WATER LEVEL FREQUENCY

Press and hold the ADD SUPER WASH+Delicate and WARM buttons simultaneously.

8-4. HOW TO CHECK THE RPM

Press the ADD SUPER WASH AND HOT button simultaneously.
Check point
0 Enter SVC mode
1 Turns on all lamps and locks the door
Tumble clockwise
2
3 Low speed spin
4 High speed spin
5 Inlet valve for main water turns on
6 Inlet valve for hot water turns on
Inlet valve for atomizing turns on (Single model)
7
Inlet valve for softener turns on (Stack model)
Inlet valve for bleach turns on (Single model)
8
Inlet valve for atomizing/bleach turns on (Stack model)
9 Tumble counter clockwise
10 Heater turns on
Circulation pump turns on
11
12 Drain pump turns on
13 All lamps turn on
14 Button check
15 High speed spin
16 PDA signal check
17
When you check the water level, the first digit is a 0 which means 2.
A display indicating 041 is a water level frequency of 241 multiplied by 0.1 KHz , for an
actual frequency of 241 KHz.
Under 200 rpm: The display indicates the rpm. (Under 200 rpm)
Over 200 rpm: The display indicates the rpm. (x 10 rpm)
So, for example a display indicating 050 : rpm of 050 x 10 rpm = 500rpm
<Control Panel Button>
2nd
Start
Display
Displays
rpm (40~50)
rpm (600)
rpm (1200)
Water level frequency (255~)
Water level frequency (255~)
Water level frequency (255~)
Water level frequency (255~)
rpm (40~50)
Displays water temperature
Water level frequency (255~)
Water level frequency (255~)
Displays , 1U:XX, 1g:XX, 12:XX, 1C:XX alternately (Version)
rpm (1200)
this function is not applied in this machine
21
1st
3rd
4th
5th