– 60 –
Check code
Location
of
detection
Description
System status
Error detection
condition(s)
Check items (locations)
Indoor unit (including Hot Water Module)
• Check for defect in central
control device.
• Check for defect in central
control communication line.
• Check termination
resistance setting.
TCC-LINK
—
TCC-LINK
central control
device
transmission
error
Continued
operation
Central control device is
unable to transmit signal.
C05
—
• Check for defect in central
control device.
• Check for defect in central
control communication
line.
• Check termination
resistance setting.
• Check power supply for
devices at other end of
central control
communication line.
• Check defect in P.C.
boards of devices at other
end of central control
communication line.
—
—
TCC-LINK
central control
device reception
error
Continued
operation
Central control device is
unable to receive signal.
C06
—
• Check error input.
General-
purpose
device
I/F
—
Blanket alarm
for general-
purpose device
control interface
Continued
operation
Error signal is input to
control interface for general-
purpose devices.
C12
—
• Check check code of unit
that has generated alarm.
TCC-LINK
Group control
follower unit
error
Continued
operation
Error occurs in follower unit
under group control.
([P30] is displayed on central
control remote controller.)
P30
Differs according to
nature of alarm-causing
error
• Check address settings.
—
Duplicated
central control
address
Continued
operation
There is duplication in
central control addresses.
(L20 displayed.)
Main
remote
controller
Outdoor 7-segment display
Sub-code
Errors detected by TCC-LINK central control device