LG Multi V CRUN Series User Manual

224 Trouble Shooting Guide
Self-diagnosis function
No
No
Execute automatic
addressing
Transmission
error in all of
indoor units?
Does it execute
automatic
addressing?
Yes
Yes
Is the state of
transmission in
outdoor unit
normal?
Yes
Check and replace
indoor unit PCB
Is the state of
connection for
transmission
is normal?
No
Yes
Repair the
connection
No
Check and replace
outdoor unit PCB
Repair the
connection
Fault diagnosis and Trouble shooting guide
Outdoor unit ↔
indoor unit
transmission
error
05
• Automatic addressing problem.
• Unplugging of transmission connector
• Misconnection or open of transmission cable
• Malfunction of indoor unit transmission circuit
• Malfunction of outdoor unit transmission circuit
• The distance between power cable and
transmission cable is not enough.
In the case that indoor unit
can not receive any signal
from outdoor unit
successively for 3minutes
Trouble shooting Flow
In indoor unit which
displays error code
Yes
Title
Display
code
Cause of errorMeaning

LG Multi V CRUN Series Specifications

General

Brand	LG
Model	Multi V CRUN Series
Category	Air Conditioner
Language	English