LG CT12 NR2 - CH 05;53 (Indoor;Outdoor Device Communication Error) → Detection by indoor devices

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Only for training and service purposes
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4. Trouble Shooting
Items Contents
Purpose
Checking for smooth data sending/receiving between indoor/outdoor
devices
Condition for Generation Damage and installation of outdoor device PCB
3FTFUUJOHQPXFSTPVSDF8BJUGPSNJOVUFTBGUFSUVSOJOHUIFQPXFSPGUIFQSPEVDUPGG
Items for
checking
Sub-items for
checking
Resetting
power source
Outdoor PCB
Installation
Replacing
indoor
PCB
Check LGMV
Communication
rate
Grounding
Wire tongue
termination
Communication
cable length
No power
Insert
Connector
Wire
connection
state
Communication
cable length
Checking for
LED Off
Normal
Operation
*GMFOHUIJTNPWFS
1MFBTFTFQBSBUFDPNNVOJDBUJPOXJSF
Ⲽ3FGFSUPQBHF Ⲽ3FGFSUPQBHF
Ⲽ3FGFSUPQBHF
Ⲽ3FGFSUPQBHF
6.7 Troubleshooting Outdoor Error
CH 05/53 (Indoor/Outdoor Device Communication Error) → Detection by indoor devices