CONCERNING OPERATION

PROBLEM

 

CHECK POINT

 

CAUSE

 

 

 

 

 

SOLUTION

THE INDICATOR

LAMPS(L.E.D)

DO NOT LIGHT

UP WHEN THE

POWER

BUTTON IS

PRESSED.

Is the plug connect-ed to electric outlet?

YES

Is Fuse opended?

NO

Is the condition of power button good?

YES

Is the connector of the P.C.B. ASS’Y connect- ed properly?

YES

Is input voltage of the transformer normal?

NO

YES

NO

Power button is defective

NO

Improper connection of the connector.

NO

Transformer is defective

P.C.B. ASS’Y is defec- tive.

Connect the plug.

Change Fuse

Change P.C.B ASS’Y.

Connect the connector properly.

Change P.C.B Ass’y

Change P.C.B ASS’Y.

PROGRESS LAMPS(LED)

DO NOT LIGHT

UP.

Do you press

NO

Press START/HOLD but-

START/HOLD button?

 

 

ton.

 

 

 

 

 

 

 

 

 

 

YES

Replace P.C.B ASS’Y.

P.C.B ASS’Y is defective.

MOTOR

ROTATES WHEN

START/HOLD

BUTTON IS NOT

PRESSED.

Does the pressure switch operate normally?

YES

Check the output voltage of P.C.B ASS’Y

NO

Pressure switch is defec-

 

 

Change the pressure

 

 

 

 

tive.

 

 

switch.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Abnormal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P.C.B ASS’Y is defective

 

 

Change P.C.B ASS’Y.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ABNORMAL

NOISE DURING

WASH

PROCESS.

Is the strange noise gen-

YES

There is foreign matter

 

 

Remove the foreign mat-

 

 

between pulsator and

 

 

ter.

erated when the pulsator

 

 

 

 

 

 

 

 

 

 

tub.

 

 

 

rotates in TEST MODE

 

 

 

 

 

 

 

 

 

 

 

 

of P.C.B ASS’Y?

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

YES

 

 

 

Is the V-belt worn out?

V-belt is defective.

Change the V-belt.

TROUBLE SHOOTING 27

Page 28
Image 28
Daewoo DWF-176S, Auto Washer service manual Concerning Operation