Results 1 to 4 of 4

Thread: Intermittent random display on AF-2500

  1. #1

    Intermittent random display on AF-2500

    Hey guys, first time posting, hope you can help me out. I have a Lancair Legacy with the AF-2500 engine monitor. It has been operating fine for the past 490 hours since install, but on the last few flights it will intermittently start displaying erratic temperatures on the EGT's, CHT's, voltage, etc. Most of the values keep changing, and go well past the normal limits. This usually lasts 1-2 minutes and then goes away on its own. I have been looking around on the wiring and connections, everything I see seems to be intact. I believe the batteries and alternators are fine, plane starts just fine, and voltage is stable otherwise. I did turn off both alternators the last time this happened, but it did not seem to change anything.

    Is there any known problem that I should look for? What are some things I should check?

    Thanks for any help you can offer,

    Micah Froese
    N171MF

  2. #2
    Check the cable between the Analog box and the display. Do you have the ribbon cable or large molded cable?
    Rob Hickman
    Advanced Flight Systems Inc.

  3. #3
    Quote Originally Posted by Rob Hickman View Post
    Check the cable between the Analog box and the display. Do you have the ribbon cable or large molded cable?
    Large molded cable, checked it, it was screwed on tightly.

  4. #4
    Did you try unplugging it and then plugging it in to clean the contacts?
    Rob Hickman
    Advanced Flight Systems Inc.

Similar Threads

  1. Using Dynon capacitive sender adapter with AF-2500
    By drholling in forum General Discussion
    Replies: 3
    Last Post: 01-27-2016, 03:17 PM
  2. AFS 2500 Erratic Tach indications
    By troberts in forum General Discussion
    Replies: 1
    Last Post: 03-06-2014, 07:27 PM
  3. Intermittent Ammeter
    By pvalovich in forum AF-3400s, AF-3500s, AF-4500s ... General Discussion
    Replies: 1
    Last Post: 12-23-2013, 10:05 AM
  4. Will the AF-2500 interface with 5000 Series EFIF
    By Frank D in forum General Discussion
    Replies: 1
    Last Post: 02-01-2013, 03:47 PM
  5. WINDS feature sometimes intermittent
    By amekler in forum AF-3400s, AF-3500s, AF-4500s ... General Discussion
    Replies: 1
    Last Post: 08-03-2011, 08:55 AM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •