LG LWC1260PHG Service Manual ▷ View online
Ñ
23
Ñ
COMPLAINT
CAUSE
REMEDY
Check voltage at outlet. Correct if none.
Check voltage to rotary switch. If none, check
power supply cord. Replace cord if circuit is open.
power supply cord. Replace cord if circuit is open.
Check switch continuity. Refer to wiring diagram
for terminal identification. Replace switch if
defective.
for terminal identification. Replace switch if
defective.
Connect wire. Refer to wiring diagram for terminal
identification. Repair or replace loose terminal.
identification. Repair or replace loose terminal.
Test capacitor.
Replace if not within ±10% of manufacturer's
rating. Replace if shorted, open, or damaged.
Replace if not within ±10% of manufacturer's
rating. Replace if shorted, open, or damaged.
Fan blade hitting shroud or blower wheel hitting
scroll. Realign assembly.
scroll. Realign assembly.
Units using slinger ring condenser fans must
have
have
1
/
4
to
5
/
16
inch clearance to the base. If it is
hitting the base, shim up the bottom of the fan
motor with mounting screw(s).
motor with mounting screw(s).
Check fan motor bearings; if motor shaft will not
rotate, replace the motor.
rotate, replace the motor.
Check voltage. If not within limits, call an
electrician.
electrician.
Test capacitor.
Check bearings. Does the fan blade rotate freely.
If not, replace fan motor.
Check bearings. Does the fan blade rotate freely.
If not, replace fan motor.
Pay attention to any change from high speed to
low speed. If the speed does not change, replace
the motor.
low speed. If the speed does not change, replace
the motor.
Check grommets; if worn or missing, replace them.
If cracked, out of balance, or partially missing,
replace it.
replace it.
If cracked, out of balance, or partially missing,
replace it.
replace it.
Tighten it.
If knocking sounds continue when running or
loose, replace the motor. If the motor hums or
noise appears to be internal while running,
replace motor.
loose, replace the motor. If the motor hums or
noise appears to be internal while running,
replace motor.
No power
Power supply cord
Rotary switch
Wire disconnected or
connection loose
connection loose
Capacitor. (Discharge
capacitor before testing.)
capacitor before testing.)
Will not rotate
Revolves on overload.
Grommets
Fan
Blower
Loose set screw
Worn bearings
Fan motor will not run.
Fan motor runs inter-
mittently
mittently
Fan motor noise.
5. SCHEMATIC DIAGRAM
5.1 CIRCUIT DIAGRAM
• MODEL : LW-C1266HL/LWC1260AHL/LWC1260AHG
Ñ
26
Ñ
PART NO.
2H00598F
4681A20009C (4681AR1527C)
6120AR2359E
3H02488C
2H01127B
6750U-L005A
5417AR2256C
3H00390A
6141AR3733C
6871A20015C
3Q35015E
6614A20001F
2H01580M (3H02255E, 2H01159W)
POWER CORD
ROTARY SWITCH
FAN MOTOR
CAPACITOR
LAMP
THERMOSTAT
OVERLOAD PROTECTOR
COMPRESSOR
TERMINAL BLOCK
REVERSING COIL ASSY
DEICER P.C.B ASSY
THERMISTOR
DEFROST CONTROL
1
2
3
4
5
6
7
8
9
10
11
12
13
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
-
1
-
-
1
LOCATION
NO.
DESCRIPTION
RE-
MARKS
Q'TY PER SET
TYPE A
TYPE B
MOTOR
COMP.
WIRING DIAGRAM
3854AR3629C
1
2
4
6
8
7
H
L
C
F
C
C
H
L3
L2
L1
DEICER PWB ASSY
BK(BR)
(Plain)
WH(BL)
(Ribbed)
WH
WH
BL
BL
BL
BL
BL
BL
BL
BK
BK
BK
BK
BK
BK
BK(RD)
BK(RD)
BK
BK
RD
RD
RD
RD
YL
YL
YL
YL
OR
OR
OR
OR
R/SWITCH
BR
BR
O.L.P.
T/B 2
THERMISTOR
THERMOST
A
T
BL
BK
BK
LAMP
BK
BR
T/B 1
CAPACITOR
REVERSING COIL
1
2
6
7
9
3
9
10
4
5
8
12
11
MOTOR
COMP.
WIRING DIAGRAM
3854A90009B
1
2
4
6
8
7
H
L
C
F
C
C
H
BK(BR)
(Plain)
WH(BL)
(Ribbed)
WH
WH
BL
BL
BL
BL
BL
BL
BL
BK
BK
BK
BK
BK
BK
BK(RD)
BK(RD)
BK
BK
RD
RD
RD
RD
YL
YL
YL
YL
OR
OR
OR
OR
R/SWITCH
BR
R
S
C
O.L.P
T/B 2
THERMOST
A
T
BK
LAMP
.
BK
BR
BR
T/B 1
CAPACITOR
REVERSING COIL
1
2
6
7
9
3
9
10
4
5
8
13
CONTROL
DEFROST
DEFROST
(TYPE A)
MODEL USING THE DEICER P.C.B ASSY FOR DEICING
(TYPE B)
MODEL USING THE DEFROST CONTROL FOR DEICING
Ñ
27
Ñ
• MODEL : LW-C0966HL/LWC0960AHL/LWC0960AHG
MOTOR
COMP.
WIRING DIAGRAM
3854AR3629D
1
2
4
6
8
7
H
L
C
F
C
C
H
L3
L2
L1
DEICER
PWB ASSY
BK(BR)
(Plain)
WH(BL)
(Ribbed)
WH
WH
RD
BL
BL
BL
BL
BL
BL
BL
BK
BK
BK
BK
BK
BK(RD)
BK(RD)
BK
BK
RD
RD
RD
RD
YL
YL
YL
YL
OR
OR
OR
OR
R/SWITCH
BR
BR
O.L.P.
T/B 2
THERMISTOR
THERMOST
A
T
BL
BK
BK
LAMP
BK
BR
T/B 1
CAPACITOR
REVERSING COIL
1
2
6
7
9
3
9
10
4
5
8
12
11
MOTOR
COMP.
WIRING DIAGRAM
3854A90009A
1
2
4
6
8
7
H
L
C
F
C
C
H
BK(BR)
(Plain)
WH(BL)
CONTROL
DEFROST
DEFROST
(Ribbed)
WH
WH
RD
BL
BL
BL
BL
BL
BL
BL
BK
BK
BK
BK
BK
BK(RD)
BK(RD)
BK
BK
RD
RD
RD
RD
YL
YL
YL
YL
OR
OR
OR
OR
R/SWITCH
BR
R
S
C
O.L.P
T/B 2
THERMOST
A
T
BK
LAMP
BK
BR
BR
T/B 1
CAPACITOR
REVERSING COIL
1
2
6
7
9
3
9
10
4
5
8
13
(TYPE A)
MODEL USING THE DEICER P.C.B ASSY FOR DEICING
(TYPE B)
MODEL USING THE DEFROST CONTROL FOR DEICING
PART NO.
2H00598F
4681A20009C (4681AR1527C)
6120AR2359E
3H02488C
2H01127B
6750U-L010A
5416AR2300W
3H00390A
6141AR3733C
6871A20015C
3Q35015E
6614A20001E
2H01580M (3H02255E, 2H01159W)
POWER CORD
ROTARY SWITCH
FAN MOTOR
CAPACITOR
LAMP
THERMOSTAT
OVERLOAD PROTECTOR
COMPRESSOR
TERMINAL BLOCK
REVERSING COIL ASSY
DEICER P.C.B ASSY
THERMISTOR
DEFROST CONTROL
1
2
3
4
5
6
7
8
9
10
11
12
13
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
-
1
-
-
1
LOCATION
NO.
DESCRIPTION
RE-
MARKS
Q'TY PER SET
TYPE A
TYPE B
Ñ
28
Ñ
• MODEL : LW-C1267HL/LWC1260PHL/LWC1260PHG
WIRING DIAGRAM
3854AR2206N
MOTOR
BL
BK
RD
BK
RD
BL
BL
BR
OLP
OR(BR)
BK
RD
OR(BR)
YL
F
C
H
CAPACITOR
R
C
COMP.
TRANS-
FORMER
FORMER
S
BL
THERMISTOR
BK
OR(BR)
BK(BR)
POWER INPUT
(Plain)
CN-TH
RY-H
CN-TRANS
CN-DISPLAY
DISPLAY P.W.B ASM
RY-COMP
ZNR
MAIN P.W.B ASM
FUSE
250V T2A
CN-4WAY
BK
(RD)
BK
(RD)
REVERSING COIL
4
3
RY-L
RY-4WAY
GN(GN/YL)
WH(BL)
(Ribbed)
YL
1
8
7
9
6
5
2
3
4
10
11
12
PART NO.
4681A20009C (4681AR1527C)
6120AR2194D
5417AR2256C
6871A20012S (6871AQ2377D)
6171AQ2258F (6171AQ2258B)
6871A30005B (6871AQ3108D)
6323AQ2333F
6631AQ3201B (6631AQ3201A)
6900AQ9028A
6141AR3733C
6102AQ9075A
2H01580M (3H02255E)
POWER CORD
FAN MOTOR
CAPACITOR
COMPRESSOR
MAIN PWB ASM
TRANSFORMER ASM
DISPLAY PWB ASM
THERMISTOR ASM
CONNECTOR
FUSE
REVERSING COIL ASSY
VARISTOR
1
2
3
4
5
6
7
8
9
10
11
12
1
1
1
1
1
1
1
1
1
1
1
1
LOCATION
NO.
DESCRIPTION
RE-
MARKS
Q'TY
PER SET
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