CLIF-CBUSLC INTERFACE – INSTALLATION & COMMISSIONING INSTRUCTIONS
21 EN1Z-1026GE51 R0417
TROUBLESHOOTING
General
The following LEDs of the CLIF-CBUSLC can be used for troubleshooting purposes:
Power LED (green)
Status LED (red)
L2 LED (yellow)
Tx (sending data on RS485-1) and Rx (receiving data on RS485-1) LED
Power LED (green) of CLIF-CBUSLC
Table 16. CLIF-CBUSLC power LED
case power LED meaning remedy
1
ON Normal operation No action necessary.
2
OFF
Power supply not OK.
► Check power supply voltage.
► Check wiring.
► If problem persists, replace hardware.
Status LED (red) of CLIF-CBUSLC
Table 17. CLIF-CBUSLC status LED
case status LED meaning remedy
1
OFF after
power-up
Normal operation. No action necessary.
2
ON con-
tinuously after
power-up
– No or invalid firmware
► Try powering down and then powering up the CLIF-
CBUSLC.
► If problem persists, replace hardware.
L2 LED
Table 18. CLIF-CBUSLC L2 LED
case bus LEDs meaning remedy
1
ON
continuously
after power-up
A SUSI client (ARENA
AX
, COACH
AX
or
ARENA 3.0) is connected
No action necessary.
2
Dark
No client is connected
► If you are unable to establish communication, check
IP address, SUSI port number, …
Tx and Rx LEDs
Table 19. CLIF-CBUSLC Tx and Rx LEDs
case bus LEDs meaning remedy
1
Both Tx and Rx
are flashing
Normal operation; RS485-1 is functioning
properly.
No action necessary
2
Both Tx and Rx
are OFF
No communication on RS485-1.
► Switch ON communication on RS485-1. Further
handling like case 4 (below).
3
Rx is flashing
and Tx is OFF
Communication on RS485-1 has been
switched OFF, but the CLIF-CBUSLC is
receiving data from controllers.
► Use client to establish a connection with correct
device ID and baud rate
4
Tx is flashing
and Rx is OFF
The CLIF-CBUSLC is attempting to establish
communication on RS485-1, but there is no
answer.
► The communication rate (Kbaud) on RS485-1 has
not been correctly set; controllers on the C-Bus may
have been setup incorrectly; wiring problem or
hardware defect.
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