Wiring diagram

SOFTENER

MAIN

 

PRE -

WASH

 

WASH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO WATER SUPPLY

Is the water supply shut-off?

NO

Is the tap opened?

NO

YES

 

When you press both Wash button and

YES

Rinse buttons simultaneously, is the water

level frequency below 40?

 

NO

 

Is the inlet valve filter clogged with impurity?

YES

NO

 

Is resistance of the inlet valve connector

NO

between 2 to 8 k ?

YES

 

Check the voltage between each terminal of

 

inlet Valve is 220~240V.

NO

(Refer to 7-2 TEST MODE)

 

DETERGENT DOES NOT FLOW IN

Is water supplied?

NO

YES

 

Are replaceptacles correctly connected to the

NO

terminals of inlet valve?

 

YES

 

Is detergent put in the correct compartment of

 

the drawer?

NO

YES

 

Is the detergent caked or hardened?

YES

 

Open the tap.

Check the chamber (Air) and the tube clogged with impurity.

Clean the filter.

Replace the inlet valve.

Replace PWB assembly (Main).

Refer to solution

NO INLET

Check the wiring on the dispenser.

Put the detergent in the correct position

PRE+MAIN

MAIN WASH

: Detergent

Clean the drawer.

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LG Electronics WD-1041(3)F(H)(B), WD-1042FH, WD-1042F(H)(B) service manual No Water Supply, Detergent does not Flow, No Inlet