Troubleshooting - Kannad 406 AF-COMPACT Installation Manual

INSTALLATION MANUAL OPERATION MANUAL INSPECTION LOG
1. General
Procedure for fault isolation onboard uses the indicator light of the ELT's front
panel. This indicator light is activated by a self-test capability within the ELT.
2. Faults on Self-test
A. Visual Indicator
When the self-test is carried out, the number of flashes gives an indication of
the faulty parameter detected during the self-test.
(1) 3+1 flashes
- Low battery voltage:
Replace battery:
(2) 3+2 flashes
- Low RF power:
Check 406 MHz power:
frequencies and verification of digital message, page
If power too low, refer to CMM 25-63-03 for repair.
(3) 3+3 flashes
- Faulty VCO locking (faulty
output powers, frequencies and verification of digital message, page
603.
If test fails, refer to CMM 25-63-03 for repair.
(4) 3+4 flashes
- No identification programmed
Check programming:
frequencies and verification of digital message, page
To re-program the ELT refer to PR600 Programming kit user manual
(included in WinProg CD-Rom, programming software).
KANNAD 406 AF-COMPACT

TROUBLESHOOTING

Refer to § (4) Battery pack replacement, page
Refer to § (3) Measurement of output powers,
frequency):Refer to § (3) Measurement of
Refer to § (3) Measurement of output powers,
604.
603.
603.
PAGE: 401
FEB 01/2008