DOWNLOAD LG LM-1963H2L Service Manual ↓ Size: 7.73 MB | Pages: 127 in PDF or view online for FREE

Model
LM-1963H2L
Pages
127
Size
7.73 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lm-1963h2l.zip
Date
PREV: LG LM-1962C2N_M_D Service Manual

LG LM-1963H2L Service Manual ▷ View online

–33–
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
–34–
Possible Trouble 3
: Auto Air direction louver does not operate.
Possible Trouble 4
: Wired remote controller does not operate.
YES
NO
YES
Is IC01M operated
normally?
Is the PIN 10 of
CN-AC2 DC12V?
Check the step motor
and connector 
(CN-AC2, AC1)
Check the main P.C.B
DC12V pattern
NO
Exchange IC01M
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.
–35–
Possible Trouble 5
: Ineffective Heating
YES
YES
NO
YES
Is it Heating Mode?
Does the temperature 
set all right?
Change IC01M.
NO
NO
Adjust operation mode.
Adjust set temperature
Is IC01M operated 
normally?
YES
Check the connector
(CN-OUT, CN-AC1.2)
Check RY-4Way
NO
Is 4way-valve operated?
–36–
Electronic control device 
(1) MAIN P.C.B ASM (AC) 
(2) MAIN P.C.B ASM (DC)
Page of 127
Display

Click on the first or last page to see other LM-1963H2L service manuals if exist.

RANDOM: