Toshiba MCY-MHP0305HT-C Service Manual page 106

Errors detected by TCC-LINK central control device
Check code
Location
Outdoor 7-segment display
Main
detection
remote
Sub-code
controller
TCC-LINK TCC-LINK
C 0 5 –
C 0 6 –
General-
purpose
C 1 2 –
device
I/F
TCC-LINK Group control
Differs according to
nature of alarm-causing
error
P30
(L20 displayed.)
of Description System status
Continued
central control operation
device
transmission
error
TCC-LINK Continued
central control operation
device reception
error
Blanket alarm Continued
for general- operation
purpose device
control interface
Continued
follower unit operation
error
Duplicated Continued
central control operation
address
105
127
Error detection
Check items (locations)
condition(s)
Central control device is • Check for defect in central
unable to transmit signal. control device.
• Check for defect in central
control communication
line.
• Check termination
resistance setting.
Central control device is • Check for defect in central
unable to receive signal. 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.
Error signal is input to control • Check error input.
interface for general-purpose
devices.
Error occurs in follower unit • Check check code of unit
under group control. that has generated alarm.
([P30] is displayed on central
control remote controller.)
There is duplication in central • Check address settings.
control addresses.