Honeywell Centraline LION - Page 42

Troubleshooting LION System
EN1Z-0921GE51 R0315
42
C-Bus Tx and Rx LEDs
case C-Bus LEDs Meaning Remedy
1 Both LEDs are flashing
If the C-bus is functioning properly, then the
CLLIONLC01 Controller is functioning properly
No action necessary
If the C-bus is not functioning properly, then
the termination can be wrong
► Check C-bus termination switch S1
(location: see Fig. 45 on page 32)
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 45 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 46 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 47 CLLIONLC01 modem Tx and Rx LEDs