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Move the washer or
reinforce the floor.

Remove the transit bolts
and Base packing.

Have all the transit bolts and base packing
been removed?

Is the washer installed on a solidly constructed
floor?

Check if the washer is perfectly level as follows:

Check the leveling of the washer with a Level
and check that the washer is stable.

Put an unbalance part (rubber) inside of drum
and start QC test mode and run in high spin
(Refer to section 7-2).
When the machine is spinning in high speed,
verify that it is stable.

If you do not have the unbalance part, put 4.5 to
6.5 lbs (2 to 3 kg) of clothing. Once loaded,
press power, Rinse+Spin and the start/pause
button in sequence.
When the machine is spinning in high speed,
verify that it is stable.

If it is not stable, adjust feet accordingly. After
the washer is level, tighten the lock nuts up
against of the base of the washer. All lock nuts
must be tightened.

Is water supplied?

Are receptacles correctly connected to the
erminals of the INLET VALVE ASSEMBLY?

Has detergent been put in the correct compartment
of the dispenser?

Is the detergent caked or hardened?

Is water supply shut-off?

Is the tap opened?

When you press both SPIN button and RINSE
button simultaneously, is the water level frequency
below 246?

Open the tap.

Check the AIR CHAMBER
and the tube (clogged).

Clean the filter.

Replace the INLET VALVE
ASSEMBLY.

Check electrical connection.
Replace the MAIN PWB
ASSEMBLY.

Refer to

「NO WATER SUPPLY」

Check the wiring.

Put the detergent in the
correct place.

Clean the dispenser.

Is the inlet valve filter clogged?

Is resistance between each terminal of INLET
VALVE ASSEMBLY 0.8-1.2

㏀

?

Verify the voltage of the inlet valve connector is
220-240V AC.
(Refer to 7-2 QC TEST MODE)

Softener 
cap

Is water supplied?

Are the plugs correctly connected to the terminals of
the INLET VALVE ASSEMBLY?

Is liquid detergent/softener/bleach put in the correct
compartment of the drawer?

Is the liquid detergent/softener/bleach cap clogged?

Refer to

「NO WATER SUPPLY」

Check the wiring on the
dispenser.

Put it in the correct
compartment.

Clean the Cap and
Container.

Secure the bolt.

Replace the STATOR
ASSEMBLY or ROTOR
ASSEMBLY.

Is the motor bolt loosened?

Is there friction noise coming from the motor?

When pressing Time Delay and Rinse at the same
time after draining, is the water level frequency 255?
When pressing Time Delay and Rinse buttons 
at the same time while washing, is the water level 
frequency between 230 - 243 ?

Check the voltage between two pins while pressing
the POWER button. Is the voltage 220-240V AC?

Is the drain hose twisted or frozen?

Is the impeller of the drain pump clogged?

Is the connector disconnected, disassembled?

Is the coil of the drain pump too high or low?
(resistance of the coil is 10-20 

Ω)

When checking voltage between connectors during
spin, is the voltage 220-240V AC as in the figure?

Replace the
SENSOR SWITCH
ASSEMBLY.

Replace the MAIN PWB
ASSEMBLY.

Repair the DRAIN HOSE
ASSEMBLY.

Remove foreign material.

Reconnect or repair the
connector

Replace the DRAIN
PUMP ASSEMBLY.

Replace the MAIN PWB
ASSEMBLY.