LG W3S1 Series, Service Manual

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6. TEST MODE
6-1. Safety Caution
6-2. Load Test Mode (Washer)
6-3. How To Check The Water Level Frequency
There can be live AC and DC voltage on some terminals on the main board, even when the machine is turned off.
Be cautious to avoid electric shock when disconnecting parts while troubleshooting. (Wear Static Discharge gloves
when working.)
After cutting off the power when changing the PWB disconnecting, or reassembling.
Be careful static when handing the PWB assembly, and use Electro Static Discharge plastic pack when shipping or
storing it.
The washer must be empty and the controls must be in the off state.
1. Touch the "Extra Rinse" and "Soil" and then press the Power button.
2. Then buzzer will sound twice.
3. Press the Start/Pause button repeatedly to cycle through the test modes.
Press and hold the Soil and Delay Wasy button simultaneouslyl.
The digits indicate the water level frequency (x.1 kHz).
So, for example a display indicating 241 : a Water level frequency of 241 x. 1kHz
= 24.1 kHz
key press(time) Motion State Inspection Type Display Check Point
0 LED inspection and door S/W operation Led full on → Data under the LED window
A buzzing sound when the control button
is pressed.
Initial characters→IU:XX (Main
version:XX)→Id:XX
(Display Version: XX)
1 Check WIFI Modem “go” or “---”
2 Drum tub right turn (50 rpm) and tub lamp
on
42~50 Check drum action and noise
3 Low speed spin (600 rpm) 55~65 Check drum action and noise
4 High speed spin (Max rpm)and Check Wifi
modem
90~120 Check drum action and noise
5 Pre-wash Valve(Auto wash valve) operate 255 Check water level indication (225-255)
6 Main wash valve operate 255 Check water level indication (225-255)
7 Hot valve operate 255 Check water level indication (225-255)
8 Bleech valve operate(Atomazing Valve) 255 Check water level indication (225-255)
9 Dry Valve operate 255 Check water level indication (225-255)
10 Steam valve operate 255 Check water level indication (225-255)
11 Drum tub left turn (50 rpm) and tub lamp on 42~50 Check drum action and noise
12 wash heater operate 23 water temperature detection check
13 Circular Pump operate and Door Lamp On 255 Check water level indication (225-255)
14 Drain Pump Operation and Auto Dispenser
Operation
255 Check water level indication (225-255)
15 Steam level sensor - Steam Model only
16 Steam heater operate - Steam Model only
17 Dry blast Fan / Dry Heater movement - Steam Model only
18 Modem Error Check Operate nE or nF
19 OFF All Led Off
※
This error display LQC Test Mode only for Wi-Fi mo.del
There is a problem with the connection between display pcb and Wi-Fi module.
Please change this service part.
There is a problem Wi-Fi modu.le
Please change this service part.
There is no problem with Wi-Fi modu.le
This is wi-fi program version. Wi-Fi version can be cha.nge