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Drain Error - LG WM2650H*A Service Manual

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DRAIN ERROR

Is
displayed?
Yes
Is the connector connected
to pump motor assembly
disconnected or
disassembled?
Circulation pump
Drain pump
Connection connector
No
When you press both
WASH/RINSE button and
DELAY WASH button
simultaneously, is the
water level frequency
below 25.0 kHz?
No
Reconnect or
Yes
repair
the connector.
Check the AIR
CHAMBER,
the tube
(clogged),
Yes
and press
switch.
Is the coil of the drain
pump too high or low?
(resistance of the coil
is 10-20 )
(Refer to 9-4 Pump motor
assembly.)
No
Is the voltage between
connectors out of range?
(NA2 pin1~ BL3 pin1)
- After remove Terminal
Position Assurance (TPA)
of connector, check as follows.
- Pump running : 120V±5%
- Stopped Motor/Pump : 0~1V
Method
1. Press the Power button, while the SPIN SPEED
button and SOIL LEVEL button is pressed
simultaneously.
2. Press Start/Pause button.
: 1 time
Pump slow-speed running
: 2 times
Pump mid-speed running
: 3 times
Pump high-speed running
: 4 times
Stop the Motor/Pump
[Note] Environmental check list
1) The drainage hose must not stay in a lower
position.
2) The drainage hose must not be bent or
clogged in any way due to the surrounding
physical configuration.
3) The drainage hose must not get frozen at all
times.
4) The drainage pump must not have any improper
substance or material inside that may cause
a machine breakdown.
25
Replace the
DRAIN PUMP
Yes
ASSEMBLY.
Replace the
MAIN PWB
Yes
ASSEMBLY.

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Wm2650h series