50
Toshiba
15-8.How to Identify Defective Part at C06 (Receive Failure
with TCC-LINK Central Management Device)
Occurrence
2
Check the RS-485 send circuit of the interface.
3
Check the RS-485 send circuit of the controller.
No.
Check point
1
Check with the handy remote controller if E04 (Indoor and outdoor communication circuit failure) has occurred.
2
Check if the C06 occurred on all the air conditioners or on some of them.
3
Check if the address setting in the setting file matches that of the air conditioner.
No.
Check point
Error message
Enable the test mode 2 at the interface, and check that communication waveform is output between A and B of the
RS-485 terminal block of the interface.
{
OK:
The RS-485 send circuit of the interface is normal.
Error message
After checking that the Digital Input / Output Relay Interface or the Energy Monitoring Relay Interface is set in the
setting file, check that communication waveform is output between A and B of the RS-485 terminal block of the
controller.
{
OK:
The RS-485 send circuit of the controller is normal.
Error message
(If E04 has occurred)
• Defective part:
TCC-LINK wiring
• Solution:
Check the connection for each outdoor unit system, and identify the
defective part (the outdoor system) in the communication wiring.
(If no E04 has occurred)
• Defective part:
TCC-LINK wiring between the indoor unit and the controller.
• Solution:
Perform the following checks.
Error message
(When occurred on some of the air
conditioners)
• Defective part:
TCC-LINK wiring on the air conditioners
• Solution:
Identify the defective part of the communication wiring based on the
C06 occurrence location and the schematic, and check the wiring
connection state and the continuity.
(When occurred on all of the air
conditioners)
• Defective part:
TCC-LINK wiring on the controller
• Solution:
Check the communication wiring continuity.
Error message
• Defective part:
The address setting in the setting file or the air conditioner.
• Solution:
Change the address in the setting file or the air conditioner.
+00A10-026_01EN.book Page 50 Monday, February 14, 2011 2:46 PM
