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Check code
Outdoor 7-segment display
Display on
central control
device
Check code Sub-code
AI-NET
central control
remote controller
Detected position Check code name Status
Error detection
condition
Check item (position)
C05 ——TCC-LINK TCC-LINK central control
device transmission error
Operation
continued.
Signal is not transmit from
central control device.
• Check central control device error.
• Check communication line error of central control device.
• Check setup of terminator resistor.
C06 ——TCC-LINK central control
device receiving error
Operation
continued.
Si
g
nal is not received from
central control device.
• Check central control device error.
• Check communication line error of central control device.
• Check setup of terminator resistor.
• Check the power of connecting destination connected device.
• Check P.C. board error of the connected device.
C12 ——HA control interface Interface batch alarm of
HA control interface
Operation
continued.
Error was input in HA
control interface
• Check error input.
Differs according to error contents of the with alarm
TCC-LINK Follower unit error of
group control
Operation
continued.
An error occurred in
follower unit of the group
control.
([P30] is displayed only on
the central remote
controller.)
• Check the error code of the unit with alarm.
P30
(L20 is displayed.) Duplicated central control
address
Operation
continued.
Central control addresses
were duplicated.
• Check the address setup.
Check code
Outdoor 7-segment display
Main remote
controller
Check code Sub-code
AI-NET
central control
remote controller
Detected position Check code name Status
Error detection
condition
Check item (position)
——— 97 AI-NET AI-NET communication
system error
Operation
continued.
E07/L07/L03/L08 was
detected when other
indoor unit in the group
was defective.
• Check multiple network adapters.
• Check wire and miscabling of remote controller: Only one network
adapter can be connected to communication line of remote controller.
——— 99 AI-NET Duplicated network
adapters
Operation
continued.
Multiple network adapters
were connected to
communication line of
remote controller.
(Detected at central
controller side)
• Check communication line, miscabling, and power of indoor unit.
• Check communication. (X, Y terminals)
• Check network adapter P.C. board.
• Check the central controller (Central control remote controller, etc.)
——— b7 AI-NET Error in indoor group Operation
continued.
Error of follower unit in the
group
• Check follower unit in the group.
Error detected by TCC-LINK central control device
Error detected by AI-NET central control device
* These errors are concerned to communication of remote controllers (A, B) and central system [AI-NET X, Y], and the main remote controller displays [E01], [E02], [E03], [E09],
or [E18] in some cases and displays none in other cases according to the error.