WD14030RD6 - LG Washing Machine Service Manual (repair manual). Page 22

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22
7-6. TROUBLESHOOTING WITH ERROR
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 the 
Water 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 the 
Harness
.
Replace the 
Inlet Valve
.
Is the 
Connector
connected correctly to the 
Main PCB
and the 
Inlet Valve
? is the 
Harness
alright ?
Check the 
Air Chamber
and 
the Tube
(clogged) 
Check the water level frequency again, 
if it is over 26.2KHz, replace 
the Pressure switch.
YES
YES
NO
Replace the 
Main PCB
.
NO
YES
YES
NO
NO
Is the resistance of each lnlet valve within 3.5 ~4.5 kΩ ?
When the washing machine is started, is the inlet valve
operating?
Pre Valve
Steam Valve
Main Valve
1
2
1
2
3
3
NO
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