Excel 800 LION
71 EN1B-0375GE51 R0308
C-Bus Tx and Rx LEDs
case C-Bus LEDs Meaning Remedy
If the C-bus is functioning properly, then the
CLLIONLC01 Controller is functioning properly
No action necessary
1
Both LEDs are flashing
If the C-bus is not functioning properly, then
the termination can be wrong
►
Check C-bus termination switch S1
(location: see Fig. 46 on page 33)
2
Both LEDs are OFF
No C-bus communication
►
Check C-bus settings
3
Both LEDs are flashing
synchronously
No C-bus communication
►
Check C-bus wiring
Table 71 CLLIONLC01 C-Bus Tx and Rx LEDs
HMI Tx and Rx LEDs
case HMI LEDs Meaning Remedy
1
Both LEDs are flashing
If the HMI Interface is functioning properly,
then the CLLIONLC01 Controller is functioning
properly
No action necessary
2
Both LEDs are OFF
No HMI Interface communication
►
Check HMI Interface connection and
proper earthing of connected
hardware
Table 72 CLLIONLC01 HMI Tx and Rx LEDs
Modem Tx and Rx LEDs
case Modem LEDs Meaning Remedy
1
Both LEDs are flashing
If the Modem Interface is functioning properly,
then the CLLIONLC01 Controller is functioning
properly
No action necessary
2
Both LEDs are OFF
No Modem Interface communication
►
Check Modem Interface connection
Table 73 CLLIONLC01 modem Tx and Rx LEDs