Installin
g
ACP
ENGLISH
117
Verifying and checking the ACP installation
After installing the ACP, you can check the status of the ACP according to the following flow-
chart.
First, you need to check if the indoor unit air conditioner is connected by running LG ACCS of the
ACP.
Check the ACP status according to the following flowchart.
Check the connection of indoor unit air conditioner
Air conditioner is not searched in
ACCS of the ACP
Are all the indoor units
connected?
Is the connection made in
the units of the outdoor
unit?
Carry out PING test in command
prompt window of the PC
- Check communication cable
connections
- After reset of ACP, check again, If
there is a problem, review the
replacement of the ACP
- Check polarity of the
corresponding PI485 A/B line
- Check outdoor unit number and
PI485 number
- Check the connection between
PI485 and the ACP
- Check the IP and Gateway address of
the ACP
- Check the problem of LAN cable
Use of hub: direct cable
Hub not used: cross cable
- Check if IP of the PC can communicate
with the ACP (If it is a private IP, the first
three digits must be the same for
communication.)
- Check address setting of the
indoor unit again
- Check the normal communication
status of the indoor/outdoor
Is LG-NET LED of
ACP blinking?
Yes
Yes
No
No
No
No
Fail
No
Success
Are there more than 16
indoor units installed to one
outdoor unit?
Do PI485 LED02G and 03G
keep blinking?
- Check the installation connection of the
corresponding PI485 again
- Check the corresponding PI485 Dip
switch
- Check problem of indoor/outdoor unit
communication
- Check indoor unit address setting
- Check PI485 model name
- Use PNF-P14A1M
Yes
Yes
Yes
Yes
Содержание V-NET PQCPC22A0
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