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Loss of Fuel Flow, Fuel Rmg, & % Power

Printed From: Avidyne
Category: Avidyne General
Forum Name: EX-Series Multi-Function Displays
Forum Description: Topics related to the Avidyne EX500, EX600, and EX5000 Multi-Function Displays (MFDs)
URL: http://forums.avidyne.com/forum_posts.asp?TID=1691
Printed Date: 25 Dec 2024 at 2:23pm
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com


Topic: Loss of Fuel Flow, Fuel Rmg, & % Power
Posted By: TxCirrusDriver
Subject: Loss of Fuel Flow, Fuel Rmg, & % Power
Date Posted: 18 Feb 2019 at 3:02pm
Mid-flight I've had this issue come up several times now with my Avidyne Entegra MFD & PFD where the fuel flow information, fuel remaining, fuel used, and power percentages have gone out on my MFD (engine & maps page), and PFD (lower right box showing fuel flows and upper left showing power %). It has now happened 3 of the last 4 flights, at varying flight times from 15 minutes of flight to 2+ hours of flight before it went out on me.  

Has anyone else experienced this issue? 

I am thinking it could be a connector issue mainly as EGT/CHT information is all working just fine, and all other items are working fine with the PFD/MFD presently.






Replies:
Posted By: Catani
Date Posted: 18 Feb 2019 at 4:44pm
Sounds like a fuel flow transducer failure.  A small thumb-shaped box in the fuel line between the fuel pump and spider.  It has a spinning wheel inside that digitizes the amount of fuel being consumed by the engine.  Mine failed a while ago with similar symptoms.



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