Honeywell Centraline LION Installation & Commissioning Instructions page 42

Troubleshooting
C-Bus Tx and Rx LEDs
case C-Bus LEDs
1 Both LEDs are flashing
2 Both LEDs are OFF
3 Both LEDs are flashing
synchronously
Table 45 CLLIONLC01 C-Bus Tx and Rx LEDs
HMI Tx and Rx LEDs
case HMI LEDs
1 Both LEDs are flashing
2 Both LEDs are OFF
Table 46 CLLIONLC01 HMI Tx and Rx LEDs
Modem Tx and Rx LEDs
case Modem LEDs
1 Both LEDs are flashing
2 Both LEDs are OFF
Table 47 CLLIONLC01 modem Tx and Rx LEDs
EN1Z-0921GE51 R0315
Meaning
If the C-bus is functioning properly, then the
CLLIONLC01 Controller is functioning properly
If the C-bus is not functioning properly, then
the termination can be wrong
No C-bus communication
No C-bus communication
Meaning
If the HMI Interface is functioning properly,
then the CLLIONLC01 Controller is functioning
properly
No HMI Interface communication
Meaning
If the Modem Interface is functioning properly,
then the CLLIONLC01 Controller is functioning
properly
No Modem Interface communication
42
Remedy
No action necessary
Check C-bus termination switch S1
►
(location: see Fig. 45 on page 32)
Check C-bus settings
►
Check C-bus wiring
►
Remedy
No action necessary
Check HMI Interface connection and
►
proper earthing of connected
hardware
Remedy
No action necessary
Check Modem Interface connection
►
LION System