10. C300 Controller Troubleshooting
10.3. Initial checks
R500
April 2017
Series 8 C300 Controller User's Guide
Honeywell
233
Controller display
LEDs
03A7
= Hardware failure
Any other four digit code =
possible software fault
A blank display indicates a
Watchdog Timer timeout.
-SF-
alternating with the
following controller
information:
<DeviceIndex>
<CEE State>
<Rdn State>
<DeviceIndex>
<CEE State>
-SF -
Primary controller -
Status LED = GREEN
blinking off once per second
Backup controller -
Status LED = ORANGE
blinking off once per second
Installation /
Startup Failure
Tnnn
indicating the test
number that the controller
was performing when a fault
was detected.
-bp-
BootP service not
available
-TS-
Time source not
available.
Status LED = solid RED
Hardware
Watchdog Timer
Expired
Blank
Status LED = RED blinking
off every ¼ second.
FTE LEDs = RED
COMM
indicating no
communications with other
nodes.
FTE LEDs = RED
Using CTools to capture diagnostic data
You can use the CTool utility to capture diagnostic data used to examine the operating
conditions within the controller. This data also can be analyzed to determine the cause of
an error or fault. The following data can be captured using CTools:
Trace Log