9-4. Check Code and Check Position Displayed on the Remote Controller and Outdoor Unit
(7-Segment Display of Interface)
Check code
Outdoor 7-segment display
Main
remote
central control
controller Check code
remote controller
Sub-code
E01
—
—
E02
—
—
E03
—
—
E04
—
—
E06
E06
No. of indoor
units which
received signal
normally
—
E07
—
E08
E08
Duplicated
indoor
addresses
E09
—
—
E10
—
—
Detected
Check code name
AI-NET
position
—
Remote
Communication error between
controller
indoor and remote controller
(Detected at remote controller side)
—
Remote
Remote controller sending error
controller
97
Indoor unit Communication error between
indoor and remote controller
(Detected at indoor side)
4
Indoor unit Indoor/outdoor communication
circuit error
(Detected at indoor side)
4
I/F
Decreased number of indoor units
—
I/F
Indoor/outdoor communication
circuit error
(Detected at outdoor side)
96
Indoor
Duplicated indoor addresses
I/F
99
Remote
Duplicated master remote
controller
controllers
CF
Indoor unit Communication error between
indoor P .C. board assembly
Status
Error detection condition
• Check remote controller inter-unit cable (A/B).
Corresponding
Communication interrupted
unit only stops.
between indoor P .C. board
• Check disconnection, connector contact error.
and remote controller.
• Check indoor power supply.
• Check indoor P .C. board error.
• Check remote controller address setup.
• Check remote controller P .C. board.
Corresponding
Signal could not be sent from
• Check the communication wire of remote controller: Exchange remote
unit only stops.
remote controller to indoor
unit.
Corresponding
No communication from
• Check remote controller and communication adapter wiring.
unit only stops.
remote controller (including
wireless) and communication
adapter.
• Check power-ON order of indoor/outdoor.
Corresponding
Indoor unit does not receive
unit only stops.
communication from outdoor
• Check indoor address setup.
unit.
• Check inter-unit cabling between indoor and outdoor.
• Check outdoor end terminal resistance setup (SW30-2).
All stop
When signal is not sent for a
• Check the power supply of indoor unit. (Power-ON)
certain period from the indoor
• Check connection of communication line between indoor and outdoor.
unit which has been used to
• Check connector connection for communication in indoor P .C. board.
send signals, [E06] is
• Check connector connection for communication in outdoor P .C. board.
normally displayed.
• Check indoor P .C. board failure.
• Check outdoor P .C. board (I/F) failure.
All stop
Transmission from outdoor to
• Check outdoor terminator resistor setup (SW30-2).
indoor cannot continue for 30
• Check the communication connection between indoor and outdoor.
seconds.
All stop
Multiple indoor unit address
• Check indoor address.
setup are duplicated.
• Check the change of remote controller connection (Group / individual)
Corresponding
In 2-remote controller control
• Check remote controller setup.
unit only stops.
(including wireless), both are
• Check remote controller P .C. board.
setup as master
(Header indoor unit stops and
other indoor unit is operating.)
Corresponding
There is any trouble in power
• Indoor P .C. board failure
unit only stops.
line.
Check item (position)
(When two remote controllers operate)
controller.
after setup of indoor address.