Inlet Error
Is displayed?
Yes
Is the water tap opened?
No
Open the water tap.
Yes
Is the inlet hose kinked?
No
Repair the inlet hose.
Yes
Is the filter of inlet valve
clogged by impure water?
Yes
a) Close the water tap.
b) Unscrew the inlet hose.
(Inlet valve side)
c) Clean the filter of inlet valve.
No
Is the water pressure
very low? (below 0.5kgf/㎠)
Yes
No
Does the water supplied?
How to check the water supply
① press 3 buttons at the same time.
(Half load, Delay start and Power)
② press ‘Delay start’ button 3 times
Is the connector connected to
main PCB assembly disconnected
or disassembled?
(NA8 : Flow meter)
No
Yes
Reconnect or
repair the connector.
Is the voltage between connectors
out of range? (NA8 pin1 ~ pin2)
- After remove terminal position
assurance (TPA) of connector,
check the voltage when water is
injected
.
(The voltage is 2.5V AC (±15%)
Is t
he resistance vales between
co
nnectors out of range?
(range is
over 5MΩ)
(White 8P, Pin1~Pin2)
No
Replace the main
PCB assembly
Yes
The water is supplied.
Frequency is not increased
The water is not supplied.
Condition.
Not reached to the normal water level in spite of 10
min. water supply.
Reconnect or
repair the connector.
Is the connector connected
to main PCB assembly
disconnected or
disassembled?
(NA4 : Aqua stop)
Yes
No
Install the pressure pump.
8.TROUBLE SHOOTING METHODS
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