Installation manual
6-12 General 
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Long Text 
Comments 
Lightning Sensor 
Fault* 
No communication with lightning 
sensor (local) OR 
Lightning sensor fatal fault: [fault 
codes]. Try cycling lightning sensor 
power (global) OR 
No lightning sensor data: [Heading 
fault | GPS fault] (global) 
Recommend cycling 
power to the lightning 
sensor. If the problem 
persists, contact a local 
dealer for service. 
Lightning Sensor 
Fault* 
No communication with lightning 
sensor (local) OR 
No lightning sensor data: [Horz 
antenna | Vert antenna | Sense 
antenna | Sensor fault | Stuck mic | 
Antenna config | Heading Fault | 
GPS Fault] (global) OR 
Lightning sensor recoverable fault: 
[codes] (global) 
If the problem persists, 
contact a local dealer 
for service. 
Traffic Sensor Fault* 
Traffic sensor failed to start self test 
OR 
Traffic sensor altitude unavailable 
If the problem persists, 
contact a local dealer 
for service. 
COM Stuck Mic 
Stuck mic timeout, Release PTT 
Displayed after 
approximately 25 
seconds of continuous 
transmission. 
<Application> 
Function Lost 
<Application> function is not 
responding 
Displayed if an 
application (e.g. 
Datalink, lightning 
sensor, traffic, etc) 
monitored by the IFD 
stops reporting a status 
message. If the 
problem persists, 
contact a local dealer 
for service. 
CrossSync Fault 
Attempting to re-establish 
CrossSync 
Displayed when dual 
IFDs have been 
installed and 
configured to share data 
between the units but 
there is no 
communication between 
the IFDs, or one IFD is 
turned off. Contact the 
Avidyne Service Center 
or a local dealer for 
service. 










