UAV-1003947-001, AV-30-C, Installation Manual 48
Rev E
14 Troubleshooting
The following steps are to aid in identifying installation or unit performance
related issues:
Table 8 - Troubleshooting
Check associated breakers.
Ensure aircraft battery is greater than 10 VDC.
Check wiring and pinouts.
Unit will not shut off, even if power is
removed.
Ensure no pitot or static blockage or line kinks are present
(locking pressure and airspeed indication over 40 knots).
Unit will not stabilize and aligning
annunciator remains on.
Return to factory for service if unit does not align within 3
minutes of power-on.
DG drifts more than 30 degrees per
hour.
Make sure you are running the newest software.
Battery indication shows FAIL.
Contact uAvionix support.
Roll, Pitch or Slip show small but
constant error.
Ensure unit is level in panel (using a bubble level or similar)
Set trim adjustment in Installation menu. See Installation
Manual for instructions.
Airspeed or Altitude shows small but
constant error.
Set trim adjustment in Installation menu. See Installation
Manual for instructions.
GPS information is expected but does
not show up in data overlays.
Check GPS input is configured to match the connected GPS
serial data type and speed.
Set direction indication to GPS TRK.
Check interface cables and pinouts.
Check GPS input is configured to match the connected GPS
serial data type and speed.
Audio alerts not heard over the audio
system
Check wiring and ensure alerts are enabled in the Setup
menu.
Ensure unswitched input is available on the audio panel.
Verify volume setting is sufficiently high in the Setup menu.
Nuisance alerts are generated.
Ensure alerting limits are configured as desired in the Setup
menu.
Disable any undesired alerting features in the Setup Menus.