LG LD1455WLFCS2 - Troubleshooting: Excess Error; Excess Error Diagnosis Flowchart

Excess Error
Condition.
Excessive water is supplied than normal water
level.(Automatically drain Pump operated.)
Is displayed?
Yes
Is the water supplied when
the machine is shut down?
No
Yes
(Close the water tap.)
Does the inlet valve
working properly?
(damaged or operating
abnormally)
Yes
Replace the inlet valve
Does the PCB assembly working
properly?
When Door is closed,
check the voltage between NA4 3pin
and BL4 1pin
-. Aqua stop working : 230VAC
-. Aqua stop stop : 0~1V
No
Replace the PCB
assembly
Yes
Replace the inlet valve
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