ILS Strobe Lighting Systems
DOC-3400-MNL Rev23.doc
(9/22/2021)
Copyright 2007-2021 ITL, LLC Page 72
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PEC Alarm LED
PEC Alarm
YES
Likely Causes:
1) Fuse, F2
2) Wiring to TB1-10
Short TB1-10 to
TB1-12. This
should switch from
Day to Night
NO
Disconnect PEC
Connect Volt Meter
to TB1-10
120VAC
Present?
NO
Likely Causes:
1) Trigger Board, PCB1
2) Wiring between Trigger
Board and TB1-12
Likely Causes:
1) PEC defective
2) Wiring to PEC
Switched
OK?
YES