Series 8 C300 Controller User's Guide 
Honeywell 
7. C300 Controller Operation 
7.3. C300 faceplate display indications 
 
 
 
7.3 
C300 faceplate display indications 
Controller display during normal operation 
The C300 Controller faceplate display rotates through the following fields during normal 
operation, executing the loaded Application firmware: 
<Device Index> -> <Controller (CEE) State>-> <Redundancy Status> 
For example, the display for a non-redundant or primary redundant controller shows: 
#003 -> RUN -> sync 
Table 10 lists the possible display indications for controllers operating normally in 
application mode. 
 
Table 10  Display indications when controller is in application mode 
 
FTE Device Index, where nnn can be 001 to 
255.  Does not change with redundancy role. 
NOEE / 
NODB / IDLE 
/ RUN / OK 
Implies redundancy role. 
See Table 6 and Table 8 for a description of 
each controller state indication. 
No secondary/primary partner. 
Non-compatible partner visible 
Partner controller visible, but not 
synchronized and initial sync not in progress. 
Initial sync is in progress, where xxx can be 
000 to 100 to indicate percentage complete. 
Redundant controller pair is synchronized. 
Backup controller in Standby Secondary 
state (with retained database but normal 
synchronization disabled). 
Indication that primary controller is 
configured as non-redundant.