Errors Detected By Tcc-Link Central Control Device - Toshiba Carrier MMU-AP0182H2UL Service Manual

Errors Detected by TCC-LINK Central Control Device

Check code
Outdoor 7-segment display
Main
remote
controller
Sub-code
C05 –
C06 –
C12 –
Differs according to nature of
alarm-causing error
P30
(L20 displayed.)
Location
of Description System status
detection
TCC-LINK TCC-LINK Continued
central control operation
device
transmission
error
TCC-LINK Continued
central control operation
device reception
error
General- Blanket alarm Continued
purpose for general- operation
device purpose device
I/F control interface
TCC-LINK Group control Continued
follower unit operation
error
Duplicated Continued
central control operation
address
100
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.