R500
April 2017
Series 8 C300 Controller User's Guide
Honeywell
257
10. C300 Controller Troubleshooting
10.10. Communication and system time faults during startup
Non-redundant C300 Controller with no Memory Retention
Controller
Faceplate
Problem
C300 Block
Time Source
Station Alarm
Resolve
Status
LED
Blinking
Red
No communication on FTE
network.
Controller does not complete
startup.
Internal
C300 OFFNET
FTE
LEDs
Off
Display
COMM
CB
icon
Red
Status
LED
Blinking
Red ->
Blinking
Green
Communication on FTE
network
No Communication
through CDA
Unable to establish
connection to system
time source
Internal
CDA comm
Lost Connection
FTE
LEDs
Blinking
Green
Display
TS for 3
min. then
-> NODB
CB
icon
Grey
Status
LED
Blinking
Red ->
Blinking
Green
Communication on FTE
network
Communication through
CDA
Unable to establish
connection to system
time source
CDA
C300 Not
Synchronized
FTE
LEDs
Blinking
Green
Display
TS for 1
min.
then ->
NODB
CB
Red