LG T1203AFPT1 Service Manual ▷ View online
4-7. TROUBLE SHOOTING METHODS ACCORIDNG TO ERROR MESSAGE
• The connector (3-pin, male, white) in the MOTOR HARNESS is not
connected to the connector(3-pin, female, white) of STATOR
ASSEMBLY.
ASSEMBLY.
• The electric contact between the connectors (3-pin, male, white) in
the MOTOR HARNESS and 4-pin, female, white connector in the
MAIN PWB ASSEMBLY is bad or unstable.
MAIN PWB ASSEMBLY is bad or unstable.
• The MOTOR HARNESS between the STATOR ASSEMBLY and
MAIN PWB ASSEMBLY is cut (open circuited).
• The hall sensor is out of order/defective.
LOCKED
MOTOR
ERROR
MOTOR
ERROR
8
CAUSE
SYMPTOM
ERROR
• The connector (3-pin, male, white) in the MOTOR HARNESS is not
connected to the connector(3-pin, female, white) of STATOR
ASSEMBLY.
ASSEMBLY.
• The electric contact between the connectors (3-pin, male, white) in
the MOTOR HARNESS and 4-pin, female, white connector in the
MAIN PWB ASSEMBLY is bad or unstable.
MAIN PWB ASSEMBLY is bad or unstable.
• The MOTOR HARNESS between the STATOR ASSEMBLY and
MAIN PWB ASSEMBLY is cut (open circuited).
• The hall sensor is out of order/defective.
LOCKED
MOTOR
ERROR
MOTOR
ERROR
8
9
CAUSE
SYMPTOM
ERROR
41
PULSATOR
NOT MOVE
NOT MOVE
• Check the pulsator in the tub to make sure if there are objects
such as coins.
A
M
M
U
S
G
N
I
T
O
O
H
S
E
L
B
U
O
R
T
8
-
4
RY
`
`
THERMISTOR
YL5
42
%
0
(for Columbia and Panana)
(for Chile and Peru)
(for Chile and Peru)
30
4-8-1. TROUBLESHOOTING WITH ERROR
Is displayed?
When you press both
Water
level button and Spin button
simultaneously,
is the water level frequency
below 26.0 kHz?
Check the AIR
CHAMBER
and the tube
(clogged).
Is filter inlet valve clogged
with foreign material?
Is resistance between
each terminal of INLET
VALVE ASSEMBLY
0.8-1.2 k ?
Replace the
INLET VALVE
ASSEMBLY.
Is the voltage of the inlet
valve connector 12V DC?
( Check the all terminal of
INLET VALVE ASSEMBLY
while the power is on.)
Replace the
INLET VALVE
ASSEMBLY
is the water level frequency
below 24.6 kHz?
Check the
PRESSURE
SWITCH
Replace the MAIN PWB
ASSEMBLY
No
Yes
Yes
No
Yes
No
Yes
Yes
No
Yes
No
Yes
No
Yes
Replace the
MAIN HARNESS
Yes
No
No
Clean or
replace the filter.
Is the connector connected to
inlet valve assembly
disconnected or
disassembled?
Reconnect or
repair
the connector
Is the connector connected to
MAIN PCB assembly dis-
connected or disassembled?
(NA1)
Reconnect or
repair
the connector
[Note] Environmental safety check list
1) No water tap leakage
2) No water tap freeze
3) No entanglement of water supply hose
4) No water shortage
5) No shrinkage on water supply hose due to
a possible misuse of hot and cold water
6) No water supply hose leakage
INLET VALVE ERROR
43
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)
Replace the
DRAIN
PUMP
ASSEMBLY.
Is the voltage between
connectors out of range?
(CN5 pin5)
- After remove Terminal
Position Assurance (TPA)
of connector, check as follows.
Replace the
MAIN PCB
ASSEMBLY.
Is displayed?
Yes
No
No
Yes
Yes
DRAIN ERROR
- Pump running : 220V 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
When you press both
Water level button and
Spin button
simultaneously, is the
water level frequency
below 26.0 kHz?
Check the AIR
CHAMBER
,the tube
(clogged),
and press
switch
Yes
No
Yes
Drain pump
Connection connector
Is the connector connected
to pump motor assembly
disconnected or
disassembled?
Reconnect or
repair
the connector
[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
a machine breakdown
.
44
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