Check codes Detected by TCC-LINK Central Control Device
Check code
Location
of
detection
Description System status
Check code detection
condition(s)
Check items (locations)
Main
remote
controller
Outdoor 7-segment display
Sub-code
–50C
TCC-LINK TCC-LINK
central control
device
transmission
trouble
Continued
operation
Central control device is
unable to transmit signal.
•
•
Check for trouble in
central control device.
Check for trouble in
central control
communication line.
• Check termination
resistance setting.
–60C
TCC-LINK
central control
device reception
trouble
Continued
operation
Central control device is
unable to receive signal.
• Check for trouble in
central control device.
• Check for trouble in
central control
communication line.
• Check terminator resistor
setting.
• Check power supply for
devices at other end of
central control
communication line.
• Check trouble in P.C.
boards of devices at other
end of central control
communication line.
–21C
General-
purpose
device
I/F
Batch alarm
for general-
purpose device
control interface
Continued
operation
Trouble signal is input to
control interface for general-
purpose devices.
• Check trouble input.
P30
Differs according to
nature of alarm-causing
trouble
TCC-LINK Group control
follower unit
trouble
Continued
operation
Trouble occurs in follower
unit under group control.
([P30] is displayed on central
control remote controller.)
• Check check code of unit
that has generated alarm.
(L20 displayed.)
Duplicated
central control
address
Continued
operation
There is duplication in central
control addresses.
• Check address settings.
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