Communication and system time startup fault scenarios 
Secondary C300 Controller with no Memory Retention 
R301.1  Experion C300 Controller User's Guide  247 
11/06  Honeywell 
Controller Faceplate  Problem 
C300 Block 
Time Source 
Station Alarm  Resolve 
FTE 
LEDs 
Off 
Display 
COMM 
CB icon 
Red 
Status 
LED 
Blinking 
Orange 
FTE 
LEDs 
Blinking 
Green 
Display 
BKUP 
CB icon 
Grey 
Communication on FTE 
network. 
•  No communication via CDA  
•  Unable to establish  
connection to system time 
source 
None None  Note 2 
Status 
LED 
Blinking 
Orange 
FTE 
LEDs 
Blinking 
Green 
Display 
BKUP 
CB icon 
Red -> 
Blue 
Communication on FTE 
network 
•  Communication via CDA  
•  Unable to establish  
connection to system time 
source 
CDA C300 Not 
Synchronized 
Note 3 
Status 
LED 
Blinking 
Orange  
FTE 
LEDs 
Blinking 
Green 
Display 
BKUP 
CB icon 
Grey 
Communication on FTE 
network 
•  No communication via CDA  
•  Established  connection to 
system time source 
SNTP 
• CDA comm 
Lost 
Connection 
• C300 Not 
Synchronized
 
Note 4 
Status 
LED 
Blinking 
Orange  
FTE 
LEDs 
Blinking 
Green 
None.  Normal operation for 
redundant secondary 
controller with no battery 
backup following a power 
cycle. 
SNTP C300 Not 
Synchronized 
None.