IFD400 Series Pilot Guide
General 6-11
TAWS Failed Self-Test <reason>
TAWS failed self-test for the <reason> provided and TAWS
will be degraded or not available for the duration of this
power cycle. Contact the Avidyne Service Center if this
persists across power cycles.
TIS traffic communications have ceased for more than 12
seconds.
No TIS ground station is available or communications have
ceased for more than 60 seconds.
Premature Descent, below glide path
TAWS PDA algorithm has determined the aircraft is below
glide path.
No communication with traffic sensor
The IFD is not receiving messages from the traffic sensor.
Contact a local dealer for service. This message is local if
independent traffic sensors are installed.
Traffic sensor has failed
The traffic sensor is reporting a failure or the IFD is
receiving invalid messages from the sensor. Contact a local
dealer for service. This message is local if independent
traffic sensors are installed.
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