ILS Strobe Lighting Systems
DOC-3400-MNL Rev23.doc
(9/22/2021)
Copyright 2007-2021 ITL, LLC Page 70
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RED Alarm
RED Alarm
Strobe
Conf LED
Blinks?
YES
NO
(Strobe is not flashing)
(Strobe is flashing)
**High
Voltage
Present?
PEC Alarm
LED ON?
PCB1
Triggering?
Likely Causes:
(Flash Head
Components)
1) Flash Tube,
FT0-3400
2) RC Network
ITL-3451-RNC
3) Trigger Xfmr,
XFR-TRIG-205
4) FH Coupling
Xfmr, XFR-
FLSH-CPL
5) Flash head
cable
Likely Causes:
(Power Converter
Components)
1) Trigger Board,
PCB1 (check
neon)
2) Power Xfmr, T1
YES
NO
NO
YES
YES
NO
Likely Causes:
1) Trigger Board,
PCB1
Go to
No High
Voltage
**Always use a meter to test
High voltage. See section
“Measuring High Voltage.”
Likely Causes:
1) Bad PEC
2) PEC wiring