Concerning Operation - Daewoo DWF-5590DP Series Service Manual

CONCERNING OPERATION

PROBLEM
THE INDICATOR
LAMP (LED)
DOES NOT
LIGHT UP
WHEN THE
POWER S/W
IS PRESSED
PROGRESS
LAMPS (LED)
DO NOT
LIGHT UP
MOTOR
ROTATES
WHEN
START/HOLD
BUTTON
IS NOT
PRESSED
ABNORMAL
NOISE
DURING
WASH
PROCESS
CHECK POINT
Is the plug connected
to electric outlet?
YES
Is the power switch
pressed?
YES
Is the condition of
power switch good?
YES
Is the connector of
the P.C.B. ASS'Y
connected properly?
YES
Is output voltage of
the transformer
normal?
YES
Do you press
START/HOLD button?
Does the pressure
switch operate
normally?
YES
Check the output voltage
of P.C.B ASS'Y.
Is the strange noise
generated when the
pulsator rotates in TEST
MODE of P.C.B
ASS'Y.
YES
Is the V-belt worn out?
CAUSE
NO
NO
NO
Power switch
is defective.
NO
Improper connection
of the connector.
NO
Transformer is
defective.
P.C.B ASS'Y is
defective.
NO
NO
P.C.B ASS.Y is
defective
NO
Pressure switch
is defective
Abnormal
P.C.B ASS.Y is
defective
YES
There is foreign matter
between pulsator
and tub
YES
V-belt is defective
SOLUTION
Connect the plug
Press the power switch
Change power switch
Connect the
connector properly
Change the
transformer
Change P.C.B ASS'Y.
Press START/HOLD
button
Change P.C.B ASS'Y
Change the pressure
switch
Change P.C.B ASS'Y
Remove the foreign
matter
Change the V-belt
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