Table of Contents
Advertisement
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
SUPPLIED.
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
NO
Does the water inlet
valve make operating
sound?
YES
Is the connector or the
NO
terminal connected
properly?
YES
NO
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
11.5
rate(l/min.)
Water pressure
0.3
(Kgf/cm
)
2
From the upper results, you know that the flow rate more than
11.5l/min. is essential for water supply.
Water inlet valve
is defective.
Improper connection of
the connector or the
terminal.
P.C.B AS is defective.
Lead wire is defective.
SOLUTION
Open the water tap.
Clean the filter.
Increase the water
pressure.
15.0
18.0
20.3
24.1
0.4
0.5
0.6
0.8
Change water inlet valve.
Connect the connector or
the terminal properly.
Change the P.C.B AS.
Change the lead wires.
27.4
1.0
Advertisement
Table of Contents
