Troubleshooting With Error - Hisense WFU7012 Service Manual

9. TROUBLESHOOTING
9.3 TROUBLESHOOTING
WITH ERROR
WATER INLET ERROR
Is
Yes
Is filter inlet valve clogged
with foreign material?
No
Is the connector connected
to inlet valve disconnected
or disassembled?
No
Is resistance between each
terminal of inlet valve 3.79-
3.85 kΩ？（Refer to 10-5
inlet valve）
Yes
Is the voltage of the inlet
valve connector 220-240
V?( while the power is on)
No
displayed?
Clean or
Yes
replace the
filter.
Reconnect
Yes
or repair the
connector.
Replace the
No
inlet valve
Replace the
Yes
inlet valve
Is the connector connected
to PCB disconnected or dis-
assembled?
No
Is Electrical connection
correct? (Refer to 10-5)
Yes
Is the water level frequency
below 24.6 kHz? (Refer to 8-
2)
No
Replace the PCB
[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
30
Reconnect
Yes
or repair the
connector.
Replace the
No
main harness
Replace the
Yes
FWL sensor