DOWNLOAD LG WM2150HS Service Manual ↓ Size: 11.91 MB | Pages: 54 in PDF or view online for FREE

No.

Process

Explanation

A.

Intermittent
spin

• To reach the correct set speed, the motor rotates clockwise and

counterclockwise directions after spin process starts.

• If the water level frequency is lower than 23.0 kHz, a washer senses

suds and starts suds removal process.

B.

Rinse
spin

• In this process, the remaining water during washing process is

extracted and the selected speed is kept.

• Removing suds process is in active mode at this cycle.

C.

Remaining
spin

• After spin finishes, the drum rotates by remaining spin power until it stops.

Motor power is off.

• This process is overlapped with next process. 

D.

Rinse water
supply

• Water supply for rinse process

E.

Rinse

• Rinsing process.

F.

Last
drainage

• After spin finishes and power is not supplied to motor, the drum

rotates by remaining spin power

• If rinse hold is selected, the drainage is not proceeded after rinse

finishes.

G.

Disentangling

• The same as item 9.

H.

Intermittent spin • The same as item A.

I.

Main spin1

• The same as item B.

J.

Main spin2

• At the end of a main spin, the spin speed will reach the selected rpm.

K.

Remaining spin • The same with item C.

L.

Disentangling

• After spin finishes, disentangling starts to remove unbalanced

laundry.

M.

End

• After 'end' signal is displayed, it stays for 8 seconds and power is

automatically turned off. (Auto type door switch)

• After door switch is off, end signal is displayed in the case of

manual type and it takes around 2 minute to turn off door switch.

6. WIRING DIAGRAM/PROGRAM CHART

105

52

52

55

55

45

20

7. TEST MODE

7-1. SAFETY CAUTION

There's built-in AC 120V and DC power in output terminal of PWB assembly in common. Be careful electric
shock when disconnecting parts while trouble shooting. (Wear Electro Static Discharge gloves when working.)
After cutting off the power when changing PWB assembly, disconnect or assemble.
Be careful static when handling PWB assembly, and use Electro Static Discharge plastic pack when delivering
or keeping it. 

7-2. LOAD TEST MODE

The washer must be empty and the controls must be in the off state. 
1. Press the WASH/RINSE and SPIN SPEED buttons simultaneously.
2. Press the Power       button, while the above condition. Then buzzer will sound twice.
3. Press the Start/Pause      button repeatedly to cycle through the test modes.

7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY

Press the CUSTOM and PRE-WASH buttons simultaneously.

None 

1 time 

2 times 

3 times 

4 times 

5 times 

6 times 

7 times 

8 times 

9 times 

10 times 

11 times 

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.

Inlet valve for hot water turns on.

Inlet valve for bleach turns on.

Tumble counterclockwise.

Water Temperature (Thermistor)

Drain pump turns on.

Off

rpm (42~50)

rpm (55~65)

rpm (105~115)

Water level frequency (225~265)

Water level frequency (225~265)

Water level frequency (225~265)

Water level frequency (225~265)

rpm (42~50)

Water temperature [

°C

]

Water level frequency (225~265)

The digits indicate the water level frequency.

For example, if  the display indicate 41, 

the water level frequency is 20+(41X0.1) = 24.1 kHz.