LG LDS4821, Service Manual

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A. TROUBLE SHOOTING ACCORDING TO DISPLAYED ERROR MESSAGE
ERROR MESSAGE
POSSIBLE CAUSE
REMEDY
FOR ERROR OCCURRENCE
The Water Supply Tap is closed.
The Water Supply is shut off.
The Inlet Hose is kinked.
The Water Pressure is very low.
(below 10 psi)
Inlet Valve is OK?
The filter of Inlet Valve is clogged
by impure water.
The Hall sensor is OK?
The Impeller of Air Guide is bound.
The Drain Hose kinked or blocked.
Wiring connection is OK?
The drain outlet of sump is
blocked.
The Drain Pump/Motor or circuit is
troubled.
Water leakage in Hose connections.
Water is leaked by damages.
The Motor Water Seal leakage of
Sump assembly.
The height of Drain Hose connection
(sink-Drain Hose) is not over 20
″
.
Impeller of the Washing Pump is
worn away.
Remove the cause of kink or block.
Check the wiring connection.
Measure the electric resistance of
Drain Motor. (20-40 )
Replace the Drain Motor or repair
the Circuit.
Replace the connections of Hose.
Check the point of damages and
repair or replace the related parts.
Read the Installation Instructions
(page 9) and fix it to the
recommended Height.
Replace the Impeller of the
Washing Pump.
Take action on Water Supply
device.
Measure the electric resistance of
Inlet Valve. (950-1300
)
Clean the filter of Inlet Valve.
Check the frequency of Inlet Water
by the Test Mode.
Replace the Air Braker.
Not reached to the nor-
mal water level in spite
of 10 min. water supply
INLET ERROR
displayed
Condition
Not fully drained out in
spite of 5 min. drain
operation
The excessive RPM of
Washing Motor
happened during Wash
cycle due to water
leakage.
DRAIN ERROR
displayed
Condition
LEAKAGE ERROR
displayed
Condition
8.TROUBLE SHOOTING METHODS