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See the digital tube display in normal control (normal) and alarm and display content as shown in Table 2.6.
Table 2.6 Lighting condition table of each light
State
Lighting · display
condition
Lighting off ·display
cancel condition
Display content of 7 segment digital tube
Show software
version number
When power on the
machine
Light off after 2s
i.e.:
Alarm code 00
～
FF
(except 60,61,64,65
）
Air conditioner
alarm
Please refer to the
installation and
maintenance manual of
each air conditioner.
i.e.:
60
This
product-abnormal
communication
among outdoor
units (when more
than 1 indoor unit is
running)
Please confirm the
H-NET wiring
connection
i.e.:
61
This
product-abnormal
communication
among indoor units
(when the indoor
unit is running)
Please confirm the
H-NET wiring
connection
i.e.:
64
This
product-abnormal
communication
among outdoor
units (when all the
indoor unit stops)
Please confirm the
wiring connection of
H-NET
i.e.:
65
This
product-abnormal
communication
among indoor units
(when the indoor
unit stops)
Please ensure the
wiring connection of
H-NET
i.e.:
Flash
Constant
lighting
Flash
System number 02 constantly lighting, alarm code 13 flashes in 1Hz
System number 02 constantly lighting, alarm code 60 flashes in
System number 02 constantly lighting, alarm code 61 flashes in
System number 02 constantly lighting, alarm code 64 flashes in
System number 02 constantly lighting, alarm code 65 flashes in
Constant
lighting
Flash
Constant
lighting
Flash
Constant
lighting
Flash
Example
Constant
lighting
2 Installation construction