LG F14U2TDHN - 7-5.Troubleshooting with Error; Ie(Water Inlet Error)

7-5.TROUBLESHOOTING WITH ERROR
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Water Inlet Error (IE)
Is the water tap closed?
[Note] Environmental safety check list
1. No water tap leakage or freeze 4. No entanglement of water supply hose
2. No water shortage 5. No water supply hose leakage
3. The inlet filter is not cloggeed
Check theWater tap and open it fully.
When there is water in the tub,
is the water level frequency
over 26.0KHz?
Reconnect or repair the Connector .
Or replace theHarness.
Replace theInlet Valve.
Is the Connector connected correctly to the Main PCB
and the Inlet Valve? is the Harnessall right ?
Check theAir Chamberand the Tube(clogged)
Check the water level frequency again,
if it is over 26.2KHz, replacethe Pressure switch.
YES
YES
NO
Replace theMain PCB.
NO
YES
YES
NO
NO
Is the resistance of each lnlet valve within
Pre Valve
Main Valve
3.5 ~4.5 KΩ？
When the washing machine is started, is the inlet valve
operating?
NO