C300 faceplate indicators/displays
Power and Status LEDs
R301.1 Experion C300 Controller User's Guide 163
11/06 Honeywell
Figure 7 C300 Controller faceplate features
Power and Status LEDs
Table 8 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)