PAGE: 401
MAR 30/2020
INSTALLATION MANUAL OPERATION MANUAL
KANNAD 406 AF / AF-H / AF (6D)
© 2020 Orolia S.A.S. All rigths are strictly reserved.
TROUBLESHOOTING
1. General
Procedure for fault isolation on board uses the visual indicator of the ELT’s front
panel. This visual indicator 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:
Check battery, refer to relevant CMM for tests and repair.
(2) 3+2 flashes
- Low RF power:
Check 406 MHz power, refer to relevant CMM for tests and repair.
(3) 3+3 flashes
- Faulty VCO locking (faulty frequency):
Check 406 MHz frequency, refer to relevant CMM for tests and repair.
(4) 3+4 flashes
- No identification programmed;
- Check if the dongle (if applicable) or the ELT is properly programmed.
NOTE: For servicing instructions, refer to Service Letter SL S18XX50X-25-02
Maintenance Policy for KANNAD ELTs found on the Support section of Orolia
Website:
Repair and battery replacement can only be carried out
by PART 145 / FAR 145 avionics workshops
(or equivalent agreement according to local regulations).
Additional approval from Orolia is required. Refer to Service Letter SL
S18XX50X-25-02 Maintenance Policy for KANNAD ELTs.
Summary of Contents for KANNAD 406 AF
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