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[Note] Environmental check list
1) Removal of transportation-based fixed bolt.
2) Confirmation on the material to see if it is capable

of handling two different types of blanket materials.

Is                 displayed?

Does the laundry lean
toward one side, not evenly
put in the DRUM assembly?

Put laundry
evenly
In the DRUM
assembly

Is the washing machine
installed at an angle?

Adjust the
height of
washing
machine
to be kept
horizontally

Is                 displayed?

When you press both
SPIN SPEED button and 
SOIL LEVEL button
simultaneously, is the
water level frequency over
21.3kHz? 

(Refer to 7-3)

Check the AIR
CHAMBER
and the tube
(clogged).

Does the inlet valve work
when the power is not
applied?

Replace the
INLET VALVE ASSEMBLY

If the inlet
valve work
continuously
when the power
is applied,
Replace the
MAIN PWB
ASSEMBLY

Is                 displayed?

Is the connector connected
to pressure sensor
disconnected or
disassembled?

Reconnect or
repair
the connector

Is the resistance of the
pressure sensor out of
range?
(pin 1~ pin 3)
(21~23 

Ω ±10%)

Replace the
pressure
switch

Is the AIR CHAMBER and
the tube clogged?

Replace the MAIN PWB
assembly.

Fix the air
chamber
and remove
the foreign
material.

8-5. TROUBLESHOOTING ELSE

1. Be careful of electric shock if disconnecting parts while troubleshooting.
2. First of all, check the connection of each electrical terminal with the wiring diagram.
3. If you replace the MAIN PWB ASSEMBLY, reinsert the connectors correctly.

Check the
fuse or reset
the circuit
breaker

Is the current rating of
multi-outlet power strip
enough?
(Avoid connecting several
electric devices.)

Is the supplied voltage
120V AC?(+10%, -15%)

Alternate with
explanation

Is the connector connected
to PCB/Noise filter
disconnected or
disassembled?

Reconnect
or repair
the connector

Replace the
MAIN PWB
ASSEMBLY

Is LED on while the power
is on?

Replace the
DISPLAY
PWB
ASSEMBLY

Is three pin wire of
display PWB broken?

Main LED

Is the connector connected
to Main PWB / Display
PWB disconnected or
disassembled?

Reconnect or
Repair
the connector

Is the display PCB broken?
(check the buzzer sound
and LED light while push
the button.)

Replace the
DISPLAY
PWB
ASSEMBLY

Is the button of panel stuck?
Or Did the lever broke
down?

Repair the
button or
lever.