23
8-4. TROUBLESHOOTING WITH ERROR
INLET VALVE ERROR
Is displayed?
When you press both
CUSTOM button and
PRE-WASH button
simultaneously,
is the water level frequency
below 24.6 kHz?(Refer to 7-3.)
Is filter inlet valve clogged
with foreign material?
Is the connector connected to
inlet valve assembly
disconnected or
disassembled?
Is resistance between
each terminal of INLET
VALVE ASSEMBLY
0.8-1.2 kΩ?
(Refer to 9-5 inlet valve
assembly)
Clean or
replace the filter.
Check the AIR
CHAMBER
and the tube
(clogged).
Yes
No
No
Yes
Yes
Reconnect or
repair
the connector.
Replace the
INLET VALVE
ASSEMBLY.
Yes
Yes
Is the voltage of the inlet
valve connector 120 V AC?
(Check the all terminal of
INLET VALVE ASSEMBLY
while the power is on.)
Replace the
INLET VALVE
ASSEMBLY.
No
Yes
Is the connector connected to
MAIN PWB assembly
disconnected or dis-
assembled?(NA4, BL3, BL4)
Reconnect or
repair
the connector.
No
Yes
Yes
Is Electrical connection
correct?
(Refer to 9-5 wiring diagram)
Replace the
MAIN HARNESS.
No
No
After checking connector,
is the water level frequency
below 24.6 kHz?(Refer to 7-3)
Replace the MAIN PWB
ASSEMBLY.
[Note] Environmental safety check list
1) No water tap leakage
2) No water tap freeze
3) No entanglement of water supply hose
4) No water shortage
5) No shrinkage on water supply hose due to
a possible misuse of hot and cold water
6) No water supply hose leakage
Check the
PRESSURE
SWITCH.
Yes
No
No
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