Specifications

FTB 312-4 Revision 4 – 1-8-2008 35
Figure 3-3 – System Troubleshooting Guide
Flash Conditions
Other Conditions Probable Causes
Day
Night
OK Day
Flash
Possible PEC Error PEC Photocell
PCB1 Board
Intensity Select Switch
Jumper on TB1 & 2 on Slave Units Missing
Red OK Possible PEC Error PEC Photocell
Intensity Select Switch
- - Units Mixed Red
and White
Intensity Select Switch
Master / Slave Interconnect Wiring
OK OK Units Not Flashing
Together
Master / Slave Interconnect Cable Connected to TB1-4
and TB1-5
PCB1 in One Unit
No No No Lights Main Power Line