Daewoo DWF-6021 - Trouble Shooting Guides

20
TROUBLE SHOOTING
8
. TROUBL
E
SH
O
O
TI
N
G
GUIDE
PROBLEM
WATER IS
NOT SUP-
PLIED.
CHECK POINT
Do you open the water
tap?
Is the filter of the water
inlet valve clogged with
dirt?
Is the water pressure
sufficient?
(0.3~8 kgf/cm
2
)
Does the water inlet
valve make operating
sound?
Is the connector or the
terminal connected
properly?
Is the output voltage of
the P.C.B normal?
CAUSE
Water inlet valve
is defective.
Improper connection of
the connector or the ter-
minal.
P.C.B AS is defective.
Lead wire is defective.
SOLUTION
Change water inlet valve.
Open the water tap.
Clean the filter.
Increase the water pres-
sure.
Connect the connector or
the terminal proper
ly.
Change the P.C.B AS.
Change the lead wires.
NO
YES
NO
YES
NO
YES
YES
YES
YES
NO
NO
NO
NOTE
: Open the wate
r tap fully and measu
re
the flow rate.
From the upper results, you know that the flow rate more than
11.5
l
/min.
is ess
ential
for wa
ter sup
ply
.
Flow
1
1
.
5
1
5
.
0
1
8
.
0
2
0
.
3
2
4
.
1
2
7
.
4
rate(
l
/min.
)
Water pressure
0
.
3
0
.
4
0
.
5
0
.
6
0
.
8
1
.
0
(Kgf/cm
2
)
1. When replace
the P
.C.B. ASS’Y do not scratch
the surface
of the P.C.B. ASS’Y
.
2.
Disco
nnect the powe
r cord from the elec
tric outle
t.
NOTES
C o n c
e
r
n i
n g W
a
t
e
r
S
u p
p
l
y