power supply.
server is set correctly.
ip address into the same segment.
Check whether ip address of
server is set correctly on the air
conditioner and meter reading
adapter configuration page.
Log in air conditioner and meter
reading adapter configuration page
and confirm ip address
configuration of server.
Check whether LAN wiring is
connected on the machine.
Please connect LAN wiring of the
machine.
Please confirm whether terminals
are matched.
2
Air conditioner
searching
connection
confirmation
cannot be
completed in
power supply
Check whether the machine has
connected H-NET wiring.
Please connect H-NET wiring of the
machine.
Check whether terminal
resistance setting on H-NET
wiring is normal.
On H-NET wiring, only 1 piece of
terminal resistance can be
connected.
Check whether address of air
conditioner is set normally.
Please refer to Letter of Installation
Spot Check Essentials and
Operation Instruction for air
conditioner for setting indoor and
outdoor machine addresses again.
Check whether H-NET wiring is
disconnected.
Please check wiring connection
conditions.
Check whether all air
conditioners connected have had
power.
Please electrify all connected air
conditioners.
Check whether H-NET wiring is
of specified specifications.
Please use cable with sectional area
larger than 0.75 and total length
within 1000m.
Check whether H-NET LED is
lighting/dying out continuously.
･
Please confirm whether H-NET
wiring is connected normally.
･
Check whether H-NET loop
protection fuse inside the machine
is fused.
･
If above conditions are all
confirmed normal, it may be fault of
the machine. Please contact with the
nearest repair center.
3
Be unable to
communicate
with air
conditioner
management
server
Check wheter LAN wiring is
connected on the machine.
Please check LAN wiring of the
machine.
Please check whether terminals are
matched.
Check whether LAN wiring is
connected on air conditioner
dedicated server.
Please connect LAN wiring used for
managing computer.
Please confirm whether terminals
are matched.
