IFD 5 Series & IFD 4 Series Touch Screen GPS/NAV/COM - S-TEC GPSS not working after IFD440 install

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S-TEC GPSS not working after IFD440 install

Printed From: Avidyne
Category: Avidyne General
Forum Name: IFD 5 Series & IFD 4 Series Touch Screen GPS/NAV/COM
Forum Description: Topics on Avidyne's IFD 5 Series and IFD 4 Series Touch Screen GPS/NAV/COM
URL: http://forums.avidyne.com/forum_posts.asp?TID=2339
Printed Date: 16 May 2024 at 7:25pm
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com

Topic: S-TEC GPSS not working after IFD440 install

Posted By: imwithchance
Subject: S-TEC GPSS not working after IFD440 install
Date Posted: 14 Mar 2022 at 5:21pm

Had a fully functional S-TEC 50 coupled to the Garmin 430W via the S-TEC ST-901 GPSS Roll Steering Converter that worked perfectly until I swapped the 430W for an IFD440. After the IFD440 install, the GPSS button only flashes and will not engage. Anyone encounter such a problem that can give me some pointers on troubleshooting ideas?

Replies:

Posted By: PA23
Date Posted: 14 Mar 2022 at 6:16pm

sounds like the configuration options weren't copied from the GNS430. The ST-901 can take steering information from either serial or ARINC, mine gets information via ARINC, there is only one our channel for ARINC so I'd try that first, if that fails you will need to know what serial port your ST901 is tied to.

PA23