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2. Installing ACP
Installation/Owner's Manual
2-67
Air conditioner is not found
at the ACCS of the ACP
The LED
of the LG-NET of the ACP
blinks?
Recheck after resetting the ACP
And then, check whether to replace
the ACP or not if any defect is
found
Check the polarity of the related
PI485 A/B line
Check the product number of
outdoor unit and the product
Perform the PING test at the
command prompt window of the
PC
• Check the IP and the gateway
address of the ACP
• Check whether the LAN cable is
normal or not
• Hub used: Direct cable
• Hub not used: Cross cable
• Check whether it is possible for the IP
of the PC to communicate with the
ACP or not (The first three digits of
the private IP should be same to
communicate)
Recheck the installation wiring of the
related PI485
Check the related PI485 DIP switch
Check whether the indoor/outdoor
communication is normal or not
Check the address setting of the
indoor unit
Are all indoor
units not connected?
Is it not connected
per outdoor unit?
PI485 LED02G
and 03G are continuously
blinking?
Check the PI485 model name
PNF-P14A1M should be used
16 or more indoor
units are connected to one
outdoor unit?
Recheck the address setting of
the indoor unit
Check whether the
indoor/outdoor communication
is normal or not
No No
No
No
NoYe s
Ye s
Ye sYe s
Ye s
Successful
Making sure and checking the ACP installation
After installing the ACP, the condition of the ACP can be checked by the following flow chart.
Checking whether the indoor unit of the air conditioner is connected or not
First, it should be checked whether the indoor unit of the air conditioner is connected or not by
executing the LG ACCS of the ACP. Check the condtion of the ACP by the following flow chart.
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