Read LG WF-7805SRD Service Manual online
21
7-6. TROUBLESHOOTING WITH ERROR
Water Inlet Error (IE)
Is the water tap closed?
[Note] Environmental safety check list
1. No water tap leakage & freeze.
2. No entanglement of water supply hose.
3. No water shortage.
4. No water supply hose leakage.
5. No the inlet filter clogged.
Check the
Water tap
and open it fully.
When there is water in the tub,
is the water level frequency
over 26.2KHz?
Reconnect or repair the
Connector
.
Or replace the
Harness
.
Replace the
Inlet Valve
.
Is the
Connector
connected correctly to the
Main
PCB
and the
Inlet Valve
?
Or is the
Harness
alright ?
Check the
Air Chamber
and
the Tube
(clogged)
And When you check the water level frequency again,
if it is over 26.2KHz, you replace
the Pressure switch.
YES
YES
NO
NO
Replace the
Main PCB
.
NO
YES
YES
NO
NO
Is the each resistance of Inlet Valve within
3.5 ~4.5 kΩ ?
When the washing machine is started,
is operated the inlet valve?
Pre. Valve
Main Valve
Dry Valve
1
3
2
1
3
2
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