Part 4 Trouble Shooting
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Items Contents
Purpose
1. Damage of high pressure switch (Check the high pressure switch)
2. Damage due to incorrect installation of outdoor device PCB
Damage and installation of outdoor device PCB
Condition for Generation
Resetting power source: Wait for 3 minutes after turning the power of the product off.
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
If length is 50 m over,
Please separate communication wire
6.7 Troubleshooting Outdoor Error
CH 05/53 (Indoor/Outdoor Device Communication Error) → Detection by indoor devices
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