AXP340/322 ADS-B Transponder - 340/540 Air on Ground Fail

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340/540 Air on Ground Fail

Printed From: Avidyne
Category: Avidyne General
Forum Name: AXP340/322 ADS-B Transponder
Forum Description: Topics on the Avidyne AXP340/322 ADS-B Transponder
URL: https://avidynelive.com/forum_posts.asp?TID=1326
Printed Date: 26 Mar 2026 at 3:17pm
Software Version: Web Wiz Forums 12.07 - https://www.webwizforums.com

Topic: 340/540 Air on Ground Fail

Posted By: 35B33
Subject: 340/540 Air on Ground Fail
Date Posted: 12 Jun 2017 at 5:52am

New installation, set up for the 540 pin 8 to the 340 pin 5 and 340 told to use the 540 for pseudo weight on wheels. Still 10.1.

Air results were fine but Air on Ground got 7.92% Fail, 2.58 Max dT, and 157 MCF. Home base has a 36' wide runway which means almost a complete stop to make a 180. Installer has queried tech support but hadn't heard back as of yesterday.

Next steps? Do I try standby while taxiing and immediately after landing?

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Cal Young

Replies:

Posted By: AviSimpson
Date Posted: 13 Jun 2017 at 10:36am

Can you PM me your tail number and what dealer you are working with so I can ping our tech support team to respond to the dealer?

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Simpson Bennett
Avidyne Corporation
Product Manager

Posted By: 35B33
Date Posted: 13 Jun 2017 at 11:48am

Thank you but just got off the phone with the change to make. Now a test flight.

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Cal Young