Concerning Operation - Daewoo DWF-315W Service Manual

Concerning Operation

PROBLEM
THE INDICA-
TOR
LAMPS(L.E.D)
DO NOT LIGHT
UP WHEN THE
POWER BUT-
TON IS
PRESSED.
PROGRESS
LAMPS(LED)
DO NOT LIGHT
UP.
MOTOR
ROTATES
WHEN
START/HOLD
BUTTON IS
NOT
PRESSED.
ABNORMAL
NOISE DUR-
ING WASH
PROCESS.
26 TROUBLE SHOOTING
CHECK POINT
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?
Do you press
START/HOLD button?
YES
Does the pressure switch
operate normally?
YES
Check the output voltage
of P.C.B ASS'Y
YES
Is the strange noise gen-
erated when the pulsator
rotates in TEST MODE
of P.C.B ASS'Y?
NO
YES
Is the V-belt worn out?
CAUSE
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.
NO
P.C.B ASS'Y is defective.
NO
Pressure switch is defec-
tive.
Abnormal
P.C.B ASS'Y is defective
There is foreign matter
between pulsator and
tub.
V-belt is defective.
SOLUTION
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.
Press START/HOLD but-
ton.
Replace P.C.B ASS'Y.
Change the pressure
switch.
Change P.C.B ASS'Y.
Remove the foreign mat-
ter.
Change the V-belt.