Honeywell C300 - Power and Status Leds; Table 7 C300 Controller LED Indications

7. C300 Controller Operation
7.2. C300 faceplate indicators/displays
180
Series 8 C300 Controller User's Guide
Honeywell
R500
April 2017
Power and Status LEDs
Table 7 C300 Controller LED indications
LED Indication
Status/Description
Power LED
GREEN Steady
Indicates the presence of 24Vdc to the controller module.
Status LED
GREEN Steady
Non-redundant controller OK
Primary controller OK (primary and backup controllers may or may not be
synchronized)
GREEN
Blink off once per
second
(that is, 1 sec. ON,
1 sec. OFF)
Primary OK with Soft Failure
No database loaded (NODB)
ORANGE Steady
Backup OK (controllers synchronized)
ORANGE
Blink off once per
second
Backup OK with Soft Failure (or controllers are not synchronized)
RED steady
Selftest (POST) in progress, or Selftest has failed, Fault (hardware or
software diagnostic failed), or Hardware Watchdog Timer expired
RED
Blink off once per
second
Operating in BOOT mode:
Alive state - (ALIV on faceplate display) Operating in Boot firmware, IP
address assigned, primary address in use. No application image loaded, or
manually put in Alive state for loading.
Ready state - (RDY on faceplate display) Operating in Boot firmware, IP
address assigned, primary address in use. Valid application image loaded.
AND faceplate display is blank.
Hardware Watchdog Timer expired.
AND faceplate display is frozen.
Indicates unrecoverable fault.
AND display is - frozen or blank
Unknown fault.
RED
Blink off once per
AND faceplate display shows:
LOAD or PROG
Indicates: Firmware download in
progress.