8. TROUBLE SHOOTING METHODS
A. TROUBLE SHOOTING ACCORDING TO DISPLAYED ERROR MESSAGE
ERROR MESSAGE
INLET ERROR
displayed
Condition
Not reached to the nor-
mal water level in spite
of 10 min. water supply
DRAIN ERROR
displayed
Condition
Not fully drained out in
spite of 5 min. drain
operation
POSSIBLE CAUSE
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.
- 27 -
For Authorized Service Technician
REMEDY
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.
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.
)
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