Trouble Shooting Guide; Concerning Water Supply - Daewoo DWF-160M Service Manual

7. TROUBLE SHOOTING GUIDE

NOTES
1. When replace the P.C.B. ASS'Y do not scratch the surface of the P.C.B. ASS'Y.
2. Disconnect the power cord from the electric outlet.

Concerning Water Supply

PROBLEM
WATER IS
NOT SUP-
PLIED.
22 TROUBLE SHOOTING
CHECK POINT
Do you open the water
tap?
YES
Is the filter of the water
inlet valve clogged with
dirt?
NO
Is the water pressure
sufficient?
(0.3~8 kgf/cm 2 )
YES
Does the water inlet
valve make operating
sound?
YES
Is the connector or the
terminal connected
properly?
YES
Is the output voltage of
the P.C.B normal?
YES
CAUSE
NO
YES
NO
NOTE : Open the water tap fully and measure
the flow rate.
Flow
rate(l/min.)
Water pressure
(Kgf/cm 2 )
From the upper results, you know that the flow rate more than
11.5l/min. is essential for water supply.
NO
Water inlet valve
is defective.
Improper connection of
NO
the connector or the ter-
minal.
NO
P.C.B AS is defective.
Lead wire is defective.
SOLUTION
Open the water tap.
Clean the filter.
Increase the water pres-
sure.
11.5 15.0 18.0 20.3
0.3 0.4 0.5 0.6
Change water inlet valve.
Connect the connector or
the terminal properly.
Change the P.C.B AS.
Change the lead wires.
24.1 27.4
0.8 1.0