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8) Undrained
Check
Check results
Possible reasons
Solution measures
Drain motor
Yes
Clogged with foreign
objects
1 ． Check if there is
working sound of drain
motor.
Unplug drain valve and
remove foreign objects
2．Measure resistance if
there is no working
sound
∞
Drain motor coil is cut off
Replace drain motor
Connector fault
Connector fault
Repair connector
3 ． Check connectors if
there is no working sound
and resistance is normal.
No Connector fault
PC board fault
Replace PC board
Drain hose
Winded
Installation problem
Install it again to avoid
winding
1．Check if the space is
too small to place
drain hose or hose is
winded
2．Check if drain hose is
folded or clogged
with foreign objects.
Clogged
Drain hose is clogged
Remove foreign objects or
install it again to avoid
winding.
9) Drain out of drainage time
Check
Check results
Possible reasons
Solution measures
Clogged with foreign
objects
Remove foreign objects
Drain valve shell
1．Check whether rubber
bellows are deformed
or there are foreign
objects in drain valve
components if keeping
draining.
Deformation of rubber
bellows
Deformation of rubber
bellows
Replace rubber bellows
PC board
1．Check if drain motor or
drain pump runs
immediately when
power is on.
Yes
PC board fault
Replace PC board
Drain hose
1．Check if drain hose is
properly installed. The
discharge height should
be approximately
0.9-1.2m from the floor.
less than suggested height
Incorrect installation
Place the outlet of drain
hose 0.9-1.2m from the
floor.
34
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