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LG CM24 N14 Svc Manual

LG CM24 N14
146 pages
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4. Trouble Shooting
- 68 -
Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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CN-REMO : Remote controller connection
The PCB can differ from model to model.
Check from the right source.
Checking communication cable connection status
Does the error happens
again if the remote
controller is replaced?*
Does the error occurred
when the cable of remote
controller is replaced?
Replace cabled remote
controller
Check connection &
communication cable **
Replace indoor unit PCB ***
Yes
Yes
No
No
* If there is no remote controller to replace : Use another unitʼs remote controller doing well
** Check cable : Contact failure of connected portion or extension of cable are main cause
Check any surrounded noise ( check the distance with main power cable)
make safe distance from the devices generate electromagnetic wave
*** After replacing indoor unit PCB, do Auto Addressing & input unitʼs address if connected to central controller.
(All the indoor units connected should be turned on before Auto Addressing
6.6 Troubleshooting Indoor Error
CH 03 (No communication between cabled remote controller & indoor unit)

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LG CM24 N14 Specifications

General IconGeneral
BrandLG
ModelCM24 N14
CategoryAir Conditioner
LanguageEnglish

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