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