Avidyne 700-00182-XXX and 700-00179-XXX
Instructions for Continued Airworthiness
Confidential property of Avidyne Corporation
AVIFD-315
Not to be disclosed without permission
Revision: 08, Date: 01/18/17
Page 16 of 16
Component
Trouble
Probable Cause
Solution
correctly
Desired RMI not selected
Select the IFD5XX/IFD4XX on the
RMI
VHF Navigation station not tuned
correctly.
Tune the IFD5XX/IFD4XX to the
correct station
DME
IFD5XX/IFD4XX is not tuning the
DME correctly
IFD5XX/IFD4XX configuration
Verify the IFD5XX/IFD4XX is
configured for the correct DME
Wiring
Check wiring
VHF Navigation station not tuned
correctly
Tune the IFD5XX/IFD4XX to the
correct station
ARINC device
ARINC 429 is not receiving /
transmitting data from the
IFD5XX/IFD4XX
Wiring
Make sure wire harness is
connected.
Check the wire harness and repair
or replace if needed.
IFD5XX/IFD4XX configuration
Verify the IFD5XX/IFD4XX is
configured for the ARINC device
Verify the ARINC 429 device
speed is set correctly on the
IFD5XX/IFD4XX
RS-232 device
ARINC 429 is not receiving /
transmitting data from the
IFD5XX/IFD4XX
Wiring
Make sure wire harness is
connected.
Check the wire harness and repair
or replace if needed.
IFD5XX/IFD4XX configuration
Verify the IFD5XX/IFD4XX is
configured for the RS-232 device
Verify the RS-232 device speed is
set correctly on the
IFD5XX/IFD4XX
Battery
Replacement
Battery Annunciation on
IFD540/440
The IFD540/440 internal battery
has failed
Contact Avidyne for Repair