FTS 371 SMART USER MANUAL
Flash Technology, LLC
Revision 4 – 9/7/2021
45
STEADY
N/A
LEG and 30FPM - When LEG and 30FPM are
moved to the right (ON) position, the flash
head LEDs will be on steady.
MAJOR TROUBLESHOOTING SYMPTOMS
Table 4.5 – Troubleshooting Symptoms and Resolutions
Symptom
Possible Cause in order of Likelihood
All lights fail
2.
Main power failure
3.
External circuit breaker
4.
Blown fuse on the controller’s PCB1
5.
PCB1 Failure
Single light fails
1.
Wiring to beacon is open or short
2.
Individual lighting fixture has failed
Erratic operation
1.
Loose connections
2.
PCB1 Failure
Beacon/marker alarm
1.
Normal if a light fixture is out
2.
PCB1 is configured incorrectly for the connected lighting equipment
False alarm
1.
Check for correct alarm connections: normally open (NO) contacts close on
alarm, normally closed (NC) contacts open on alarm
2.
PCB1 failure
Lights do not flash
1.
Confirm that the BCN and/or MKR flash configuration settings are set to FL
(flashing) and not ST (steady)
2.
PCB1 failure
Lights operate continuously 1.
A photodiode is not connected at J5 terminals 7 and 8
2.
The photodiode has failed
3.
PCB1 Failure
4.
A remote data command has put the system into an extended mode
override
Beacon/marker alarm will
not reset
1.
Alarm can only be reset by a mode transition controlled by the photodiode
2.
Check the photodiode connections
