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Model
LWC1262ACG_N_P LWC1262PCG_N_P LWC1262BCG_N_P LWC1262QCG_N_P LWC1262AHG_E LWC1262PHG_E
Pages
95
Size
3.41 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lwc1262acg-n-p-lwc1262pcg-n-p-lwc1262bcg-n-p-lwc12.zip
Date
PREV: LG LWC1262ACG / R1000 / R-1000 / R1200 / R-1200 / R1201H Service Manual

LG LWC1262ACG_N_P / LWC1262PCG_N_P / LWC1262BCG_N_P / LWC1262QCG_N_P / LWC1262AHG_E / LWC1262PHG_E Service Manual ▷ View online

—27—
Possible Trouble 2
The compressor does not operate.
Possible Trouble 3
The compressor always operate.
Is setting 
Temp. set lower  than Room 
Temp.-0.5
°
C?
Is the voltage No.10
of IC7 0V?
• Exchange IC7.
• Select the setting Temp. to lower Number.
• Wait 3 Minutes.
Is the Unit for 3 minutes
delay?
• Exchange MAIN 
  PCB Ass'y.
Is the voltage N0.7 of 
IC 7 DC 5V?
• Check the RY-COMP.
• Check the wiring 
  Diagram.
NO
NO
NO
YES
YES
YES
YES
Is the wire connection of 
RY-COMP all right?
• Check the RY-COMP.
• Connect LEAD Wire to 
  RY-COMP again.
NO
YES
NO
—33—
5. SCHEMATIC DIAGRAM
5.1 CIRCUIT DIAGRAM
•  MODEL : LWC1262ACG/N/P
PART NO.
LWC1262ACG/N/P
2H01580M (3H2255E)
2H00598E
4681A20009C
6120AR2194D
2H01109K
6750U-L035A
2520UMAP2CA
POWER CORD
ROTARY SWITCH
FAN MOTOR
CAPACITOR
THERMOSTAT
OVERLOAD PROTECTOR
COMPRESSOR
1
2
3
4
5
6
7
1
1
1
1
1
1
1
DESCRIPTION
NO.
Q'TY
PER SET
1
3
6
4
2
7
5
MOTOR
COMP.
BR(YL)
P.T.C
—34—
•  MODEL : LWC1262BCG/N/P
4
3
6
5
7
2
1 
9
8
BR
(YL)
1
2
3
1
2
3
4
5
6
7
8
9
POWER CORD
ROTARY SWITCH
FAN MOTOR
CAPACITOR
THERMOSTAT
OVERLOAD PROTECTOR
COMPRESSOR
SYNC. MOTOR
ROCKER SWITCH
3H01652N
2H00598E
4681A20009C
6120AR2194D
2H01109K
6750U-L035L
2520UMAP2CA
2H01102A
2H01316C
1
1
1
1
1
1
1
1
1
LWC1262BCG/N/P
PART NO.
DESCRIPTION
NO.
Q'TY
PER SET
—35—
•  MODEL : LWC1262PCG/N/P, LWC1262QCG/N/P
1
6
4
5
10
2
7
3
9
8
MOTOR
RD   
BK   
BL   
BL   
BK   
RD   
BR   
BR   
BL   
BR
BL   
OR(BR)   
BK 
RD    
RD
BK
OR(BR)  
YL    
F 
C 
H 
CAPACITOR
PTC
R
C
COMP.
TRANS-
FORMER
SYNC.
MOTOR
S
RD   
THERMISTOR
BK   
OR(BR)  
BK(BR)
POWER  INPUT
(Plain)
CN-TH1
RY-LO
RY-MED
RY-SYNC
CN-SYNC
CN-DISP1
CN-DISP2
DISPLAY P.W.B ASSY
RY-COMP
ZNR01J
MAIN P.W.B ASSY
FUSE 250V/2A
4
3
RY-HI
GN(GN/YL)
WH(BL)
(Ribbed)
YL    
OLP
1
POWER CORD ASSY
2H01580(3H02255E)
3H01652N
1
2
MOTOR ASSY
4681A20009C
1
3
COMPRESSOR
2520UMAPC2A
1
4
MAIN P.W.B ASSY
6871A10013T
6871A20061A
1
5
DISPLAY P.W.B ASSY
6871A20118H
6871A30005E
1
6
THERMISTOR
6323A20003D
1
7
CAPACITOR
6120AR2194D
1
8
CONNECTOR ASSY
6631AQ3201B
1
9
OVERLOAD PROTECTOR
6750U-L035A
1
10
SYNC. MOTOR
-
2H01102A
1
LWC1262PCG/N/P
LWC1262QCG/N/P
PART NO.
NO.
DESCRIPTION
Q'TY
PER SET
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