ACR&Artex B406-4 - Manual (Page 49)

25-62-03
Page 49 of 87
JUN 20/13
ACR ELECTRONICS, INC / ARTEX PRODUCTS
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
B406-4 (453-5004)
5-Flash
Indicates there is no navigation position data present
Aircraft navigation system off Turn on navigation system
Faulty system interface wiring or
connections
Check wiring and connections for
continuity and security
No 453-6501 ELT/NAV Interface-B
installed
Install 453-6501 ELT/NAV Interface -B
Reprogram to short message
7-Flash
Indicates a battery problem
Operating time is >1 hour
Replace battery pack
Electrical circuits faulty
CODE PROBABLE CAUSE POSSIBLE SOLUTION