ACR&Artex C406-2 HM - Manual (Page 49)

25-62-11
Page 49 of 87
JUN 20/13
ACR ELECTRONICS, INC / ARTEX PRODUCTS
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
C406-2 (453-5000), C406-2HM (453-5001)
SUBTASK 25-62-11-810-002
B. ELT Troubleshooting Guidelines
(1) Table 7 provides ELT troubleshooting guidelines for installation and operational issues.
Table 7 ELT Troubleshooting Guide
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 453-6500 ELT/NAV Interface installed
Install 453-6500 ELT/NAV Interface
Reprogram to short message
7-Flash
Indicates a battery problem
Operating time is >1 hour
Replace battery pack
Electrical circuits faulty
SYMPTOM PROBABLE CAUSE POSSIBLE SOLUTION
Remote switch LED always on
(steady)
Improper wiring Verify wiring
Short circuit
Check for frayed insulation
Verify integrity of all crimp and
solder connections
ELT will not turn off
Battery too low to support 406
burst and causes circuit to reset
Remove battery pack to disable
ELT and replace battery pack
Turn off ELT using local switch - If ELT turns off:
Defective remote switch harness
reset circuit wiring
Check wiring continuity and
repair as necessary
Defective remote switch Replace remote switch
If ELT does not turn off using local switch:
ELT defective
Remove battery pack to disable
ELT and return ELT to factory for
servicing
CODE PROBABLE CAUSE POSSIBLE SOLUTION