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  #1  
Old 08-31-2019, 11:39 AM
kaweeka kaweeka is offline
 
Join Date: May 2011
Location: Roseville
Posts: 290
Default GSA 28 fail

Hereís one for the brain trust. Starteu up the plane today and an error message on the G3x touch flashes saying
Roll servo power supply fault
Roll servo hardware fault

Never had a lick of trouble in 2.5 years since installing everything. Started at the servo snd checked power to the GSA 28. 12.9v. So Iím getting power to the servo. Did it just decide to go TU? Any experience, thoughts or fixes? I have no clue as to why. Nothing has changed and all has worked flawlessly until now.

Thanks,
David
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IO 320 B1A, Dual LS Plasma III, AFP injection
G3x touch
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  #2  
Old 08-31-2019, 12:08 PM
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Walt Walt is offline
 
Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,267
Default

They had a few bad servos a few years ago that would exhibit that fault due to some internal software problems I think.
Send the G3X guys an email and see if they can help.
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Last edited by Walt : 08-31-2019 at 07:38 PM.
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  #3  
Old 08-31-2019, 12:34 PM
kaweeka kaweeka is offline
 
Join Date: May 2011
Location: Roseville
Posts: 290
Default

That is great information. I'll do just that. Thanks!!
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RV-9A N435KR Vans calendar March 2018
IO 320 B1A, Dual LS Plasma III, AFP injection
G3x touch
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  #4  
Old 08-31-2019, 01:52 PM
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Greenley Greenley is offline
 
Join Date: Jan 2007
Location: Dowagiac, MI
Posts: 344
Default

They ended up replacing all three of mine. Same symptons.
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  #5  
Old 08-31-2019, 02:40 PM
togaflyer togaflyer is offline
 
Join Date: Apr 2013
Location: Cleveland Ga
Posts: 545
Default

Last year two of mine failed simultaneously while in flight. Garmin replace them. There were great to work with.
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  #6  
Old Yesterday, 09:56 AM
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Dugaru Dugaru is offline
 
Join Date: Jan 2016
Location: Richmond VA, USA
Posts: 348
Default Servo failure

I had both GSA 28 servos fail, one after the other. I was never warned, before installation, that there had already been a "rash of failures" of the servos (that's an actual quote from a Garmin dealer).

After the first one failed, Garmin refused to replace the second one, telling me it wouldn't fail.

But it did. And I was not the only person who had both servos fail. This suggests to me that the failure rate was pretty high, at least for some range of servos.

At least they didn't make me pay for the new servo before sending the second replacement. (With the first one, I had to pay Garmin and then get a credit when I returned the defective one).

To my knowledge, Garmin never recalled the defective servos, so there could still be some defective ones out there, waiting to be installed and then waiting to fail. I could be wrong about that, maybe they did do a recall -- or maybe it was a software problem that they were able to fix without recalling hardware.


Quote:
Originally Posted by togaflyer View Post
Last year two of mine failed simultaneously while in flight. Garmin replace them. There were great to work with.
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  #7  
Old Yesterday, 10:17 AM
kaweeka kaweeka is offline
 
Join Date: May 2011
Location: Roseville
Posts: 290
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It turns out my servo was not one of the "batch" that were failing. Since my servo is out of warranty, I paid an exchange fee of $100 for a new one and returned mine to Garmin. Since my other servo has not failed, that option is not open to me to replace the pitch servo. I guess we'll just wait and see......
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IO 320 B1A, Dual LS Plasma III, AFP injection
G3x touch
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