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11-05-2009, 07:26 PM
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Join Date: Jul 2006
Posts: 180
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Garmin SL30 "Comm Fail"
My Garmin SL30 was professionally wired. I has been installed in the aircraft for some time now. I have tested it several time with no problems.
Today I fired up the panel and the SL30 is giving a "Comm Fail" message.
Anyone know how to clear this message and why I may be getting it?
Any help will be greatly appreciated.
__________________
Jeff Moreau
RV 8A
N888JM/Flying
EAA Technical Counselor
Virginia Beach, VA
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11-05-2009, 08:35 PM
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Join Date: Jul 2006
Posts: 180
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Bump
Hasn't anyone run into this?
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Jeff Moreau
RV 8A
N888JM/Flying
EAA Technical Counselor
Virginia Beach, VA
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11-05-2009, 08:56 PM
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Join Date: Jan 2005
Location: 8A7 (NC)
Posts: 319
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Larry Bowen
RV-8 Built, sold, missed.
RV-7 Built, sold, missed.
RV-8 Emp in progress ...
RV-8A Purchased, flying.
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11-05-2009, 09:01 PM
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Join Date: May 2005
Location: Brisbane Australia
Posts: 568
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Hi Jeff,
does "Comm Fail" show in the sl-30 screen or something that it connects to ie Gps or Efis ?
Sounds like an rs-232 problem to me.
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Jamie lee
Brisbane, Australia
RV7A - Now Flying.
0-360,carb,catto 3 blade.
VH-XJL
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11-06-2009, 07:26 AM
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Join Date: Jan 2005
Location: Peachtree City, Ga
Posts: 1,039
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SL-30 comm failure
I had this once. Removed the unit from the tray and reseated it. Problem went away. You might even press on the corners before you remove the unit to see if it reseats.
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Vern Darley
Awarded FAA "The Wright Brothers 'Master Pilot' Award"- for 50 years safe flying
RV-6A N680V / RV-10QB N353RV
Luscombe 8E N2423K 50+years
Hatz Biplane N2423Z soon to be birthed
Falcon RV Squadron Founder
KFFC Hanger D-30
Peachtree City, Ga
770 310-7169
EAA Technical Counselor #5142
EAA Flight Advisor #486336
ATP/CFI/A&P/DAR
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11-06-2009, 01:59 PM
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Join Date: Jul 2006
Posts: 180
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I spoke with my avionics tech today. He informed me that the "Comm Fail" message being displayed was likely due to the radio now being seated firmly in the tray, the antenna being disconnected or a lack of power going to the comm side of the radio.
I checked all of these items. Everything was hooked up properly. He has suggested that I send the radio to him for a bench test.
I will let everyone know how this turns out.
Thanks for the help.
__________________
Jeff Moreau
RV 8A
N888JM/Flying
EAA Technical Counselor
Virginia Beach, VA
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11-08-2009, 10:45 AM
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Join Date: Jun 2005
Posts: 693
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A beer says you don't have power to the comm side.
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Marc Ausman
RV-7 980 hours, IO-390, VP-X (sold)
RV-8 (flying a friend's)
Thinking about low and slow backcountry build.
VAF Advertiser - Aircraft Wiring Guide
Book to help with experimental aircraft wiring.
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11-08-2009, 10:24 PM
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Join Date: Jan 2009
Location: Portland, OR
Posts: 8
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I got the same message and found that I had disconnected the power to the comm side.
Dave Woboril
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11-09-2009, 07:27 AM
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Join Date: Dec 2007
Location: Flagstaff, AZ
Posts: 2,647
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Maybe too obvious but did you check the circuit breakers? My panel has individual breakers for the comm and nav sides.
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Patrick Kelley - Flagstaff, AZ
RV-6A N156PK - Flying too much to paint
RV-10 14MX(reserved) - Fuselage on gear
http://www.mykitlog.com/flion/
EAA Technical Counselor #5357
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