ZoneLogix™ PRO Zone Controller User Guide | Revision 1.0 November 2019 | Page 31
8
Diagnostics & Troubleshooting
8.1
Feedback LEDs
The ZoneLogix™ PRO Zone Controller provides six (6) LED indicators as shown in Figure 8: LED .
Figure 19: Feedback LEDs
8.1.1 Fuse LED (Red)
CAUTION: This fuse will not blow under normal circumstances. Inspect all wiring connections to assure that there are no short
circuits.
This LED is OFF under normal circumstances. It illuminates constantly if the 10-amp fuse is blown and power is
applied with the proper polarity.
The fuse on the board is not user accessible. If the blown fuse LED is illuminated, return the board to your distributor
or supplier for analysis or repair.
The Down LED is normally off, but blinks
at a ½ sec rate when the optional Branch
Monitor is connected to the Master