|
Caution Underspeed |
Post Reply 
|
| Author | |
jimmyz80 
Groupie 
Joined: 24 Jul 2016 Location: Apex, NC Status: Offline Points: 54 |
 Post Options
 Thanks(0)
 Quote Reply
 Topic: Caution UnderspeedPosted: 28 Jan 2017 at 6:38pm |
|
Ever since i had my DFC90 installed, I've been getting super annoying "Caution, Underspeed" warnings on landing rollout. So you're rolling down the runway listening for exit instructions from the tower, and the DFC is bitching and complaining that I'm going too slow. :)
I assume this doesn't happen to everyone, or it would be a much bigger deal. Any ideas as to why this would be happening?
|
|
|
2006 Cirrus SR22 - IFD540 IFD440 DFC90 AXP322 MLB100
|
|
 |
|
|
Melohn
Newbie 
Joined: 11 Dec 2013 Location: PHNL Status: Offline Points: 24 |
Post Options
Thanks(0)
Quote Reply
Posted: 29 Jan 2017 at 2:14am |
|
Assuming you have a Cirrus, you are hearing this because your flap switch is not connected to the DFC90, so it assumes that you are flying with flaps up.
You have two choices; have the flap switch connected to the DFC90, or always use the autopilot disconnect when operating at speeds below ~80 knots; you won't hear the caution when the autopilot is in AP READY state. |
|
|
|
|
jimmyz80
Groupie
Joined: 24 Jul 2016 Location: Apex, NC Status: Offline Points: 54 |
Post Options
Thanks(0)
Quote Reply
Posted: 29 Jan 2017 at 1:30pm |
|
The flap switch is properly connected, since I get the appropriate flap overspeed warnings.
|
|
|
2006 Cirrus SR22 - IFD540 IFD440 DFC90 AXP322 MLB100
|
|
|
|
|
Post Reply
|
|
Tweet
|
| Forum Jump | Forum Permissions You cannot post new topics in this forum You cannot reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum You cannot vote in polls in this forum |
Topic Options