DOWNLOAD LG LB-E4880CL / LB-E6080CL Service Manual ↓ Size: 1.55 MB | Pages: 74 in PDF or view online for FREE

Model
LB-E4880CL LB-E6080CL
Pages
74
Size
1.55 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lb-e4880cl-lb-e6080cl.zip
Date
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LG LB-E4880CL / LB-E6080CL Service Manual ▷ View online

Electronic Parts Troubleshooting Guide
: The unit does not operate.
Possible Trouble 1
–29–
YES
YES
YES
NO
YES
Is the input voltage
of transformer AC220V?
Is the input voltage
of IC01D DC14V?
Check the FUSE
and the wiring diagram.
Is the output voltage 
of IC01D DC12V?
Is the PIN 31,32 of
MICOM. DC5V?
Exchange MICOM
YES
NO
Check the main P.C.B
pattern
NO
NO
Check the D02D~D05D
NO
YES
Exchange 
the transformer
Is shorted the
transformer output?
NO
YES
Is the output voltage 
of IC02D DC5V?
NO
Exchange IC01D
Exchange IC02D
Is the output voltage
of transformer about AC14V?
Check the 
5V P.C.B pattern.
–30–
Possible Trouble 2
: The indoor fan does not operate.
NO
NO
Is it the HOT
START mode?
Is IC01M operated
normally?
Check the fan motor
and connector.
(CN-MOTOR)
YES
Is the each Relay
any problem?
YES
NO
YES
It is normal operation.
Exchange IC01M
Exchange Relay
NO
YES
YES
YES
Is the LCD operated
normally?
Is the terminal of wired
Remocon T2 DC12V
Is the pin 31, 32 of
Micom DC 5V
Change the wired Remocon.
Check the wired Remocon 
PCB and DC 12V pattern.
NO
NO
Check the parts of 
communication.
Connector CN-Remo, and 
terminals of wired 
Remocon exactly.
Possible Trouble 3
: Wired remote controller does not operate.
Exploded View & Replacement Parts List 
(1) Indoor Unit 
• MODEL: LB-E4880CL/LB-E6080CL
–33–
7
10
6
13
12
19
24
2
4
11
9
5
1
26
22
28
27
29
21
25
3
20
30
23
14
18
15
16
8
17
31
–34–
Parts List (Indoor Unit )
• MODEL: LB-E4880CL/LB-E6080CL
Q'TY  
No. 
PARTS NAME
PART No. 
REMARK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
PANEL UPPER
PANEL SIDE-L
PANEL SIDE-R
BARRIER, INDOOR
HOUSING ASSY-L
HOUSING ASSY-R
MOUNT MOTOR
MOTOR ASSY
BLADE ASSY
BLADE ASSY
BRACKET EVA. -L
BRACKET EVA. -R
EVAPORATOR ASSY
TUBE ASSY, DISCHARGE
TUBE ASSY, DISCHARGE
DRAIN PAN ASSY
PANEL REAR(E)
CONTROL BOX INDOOR
THERMISTOR ASSY
PWB(PCB) ASSY
TRANSFORMER
REMOTE CONTROLLER
PWB ASSY REMOTE
HANGER
HANGER
COVER, CONTROL
PANEL REAR(B)
ANGLE ASSY
FILTER
GUIDE FILTER
GUIDE FILTER
3720A30013A
3720A30010A
3720A30011A
4790A30006A
3661A20001A
3661A20001B
4960A30002A
4681A20005
5833A20001A
5833A20001B
4810A30002A
4810A30003A
5421A20008E
5211A30077A
5211A30077B
3086A30001H
3720A30011A
4994A20001A
6323AQ2333L
6871A20016A
6171AQ2258H
6711AQ2350K
6871A20009G
4990AP7280E
4990AP7280F
3550A30023A
3720A30012A
3001A30005A
5230A30001A
4974A30013A
4974A30013A
1
1
1
1
1
1
1
1B
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
2
1
1
1
1
1
1
1
1A
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
2
LB-E4880CL
LB-E6080CL
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