Concerning Operation - Daewoo DWF-650 Service Manual

Concerning Operation

PROBLEM
Is the plug connect-ed
to electric outlet?
THE INDICA- Is Fuse opended?
TOR
LAMPS(L.E.D)
Is the condition of
DO NOT LIGHT
power button good?
UP WHEN THE
POWER BUT-
TON IS
Is the connector of the
PRESSED.
P.C.B. ASS'Y connect-
ed properly?
Do you press
START/HOLD button?
PROGRESS
LAMPS(LED)
DO NOT LIGHT
UP.
MOTOR Does the pressure switch
ROTATES operate normally?
WHEN
START/HOLD
BUTTON IS
Check the output voltage
NOT
of P.C.B ASS'Y
PRESSED.
Is the strange noise gen-
erated when the pulsator
ABNORMAL
rotates in TEST MODE
NOISE DUR-
of P.C.B ASS'Y?
ING WASH
PROCESS.
Is the V-belt worn out?
24 TROUBLE SHOOTING
CHECK POINT
YES
NO
NO
YES
NO
YES
YES
NO
YES
YES
NO
YES
CAUSE
NO
YES
Power button is defective
Improper connection of
the connector.
P.C.B. ASS'Y is defec-
tive.
NO
P.C.B ASS'Y is defective.
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.
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.