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Drain Error - LG WT5070C series Service Manual

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DRAIN ERROR

Is OE displayed?
Yes
Is the connector connected to
pump motor assembly
disconnected or
disassembled?
Drain pump
Connection connector
No
When you enter the SVC
Mode, is the water level
frequency below 26.0 kHz?
Reconnect or
Yes
repair the
connector
Check the AIR
Yes
CHAMBER, the
tube (clogged),
and press
switch
No
Is the coil of the drain pump
too high or low? (resistance of
the coil is 10-20 Ω)
No
Is the voltage between
connectors out of range?
(WH6 Pin 1)
- After remove Terminal
Position Assurance
of connector, check as follows.
Pump running : 120V±5%
Stopped Motor/Pump : 0~1V
Method
1. Enter the SERVICE Mode.
2. Press START/PAUSE button.
: 1 time Main version
: 2 times Display version
: 3 times Inlet valve check mode
: 4 times Cold valve, bleach valve
: 5 times Rinse valve, hot valve
: 6 times Jet spray valve
: 7 times Heater check
: 8 times Alph check
: 9 times Pump check
[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.
32
Replace the
Yes
DRAIN PUMP
ASSEMBLY.
Replace the
Yes
MAIN PCB
ASSEMBLY.

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