20
10.0 Troubleshooting
Problem
Possible Cause
Solution
MI beacon is out (No
Alarm)
No power to light
•
Check for voltage in Control
Box.
•
Check controller to Beacon
cable connections at both ends.
Junction box wiring
•
Check junction box wiring.
MI beacon is flashing
white at night
Photocell input is
high
•
Check wiring.
•
Confirm there is 0 voltage at
the Photocell input.
Beacon in “limp
mode”
•
Visually confirm Beacon is
flashing at ½ the intensity of
normal day mode.
A single LI fixture is
out (No Alarm)
Marker wiring
•
Check the wiring of the
malfunctioning lamp.
Junction box wiring
•
Check junction box wiring.
All LI Single fixture
lights are out (No
Alarm)
Junction box wiring
•
Check junction box wiring.
Cable to junction box •
Check controller to junction box
cable connections at both ends.
•
Inspect cable for breaks.
Light is out
•
No power to light
•
Light failure
•
Light in Alarm
Mode
•
Physically check connections in
junction boxes and control box.
•
If wiring functions properly, use
an alternate power source to
check the light.
•
Replace light if necessary.
MI top light is not
operational
(no red
mode)
•
Wired
incorrectly or
wire(s) lose
•
Light failure
•
No power to the
light
•
Check wiring of light in top
junction box and Control Box.
•
Measure voltage at junction
box. If correct input power,
replace light.
•
If no voltage to the junction
box, check output power from
Control Box.
