Troubleshooting - uAvionix AV-30-C Installation Manual

14 Troubleshooting

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