ACR&Artex ELT to Nav Interface - Manual (Page 38)

ARTEX PRODUCTS / ACR ELECTRONICS, INC.
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
453-6500
25-69-10
Page 38 of 58
APR 30/12
TASK 25-69-10-810-801
6. Fault Isolation
SUBTASK 25-69-10-810-001
A. Troubleshooting Guidelines
(1) Table 6 provides ELT troubleshooting guidelines for installation and operational issues.
Table 6. Troubleshooting Guide
SYMPTOM PROBABLE CAUSE POSSIBLE SOLUTION
ELT and remote switch LED
display 5-flash error
(No navigation data present)
Aircraft navigation system off Turn on navigation system
No power to ELT/NAV Interface
Turn on power
Check breaker/fuse
Faulty interface wiring or
connections
Check for frayed insulation
causing short or ground
Verify integrity of all crimp and
solder connections
Check wiring continuity and
repair as necessary
ELT and remote switch LED flash
rapidly within two minutes after
ELT/NAV Interface power up
(24-bit address not accepted)
ELT not programmed for 24-bit
address location protocol
Program ELT with 24-bit address
location protocol
Faulty interface wiring or
connections
Check for frayed insulation
causing short or ground
Verify integrity of all crimp and
solder connections
Check wiring continuity and
repair as necessary