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 h-bird stops working at over idle
#7630866
06/11/12 03:44 AM
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Joined: Aug 2010
Posts: 164
El Jigro
OP
Outdoorsman
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OP
Outdoorsman
Joined: Aug 2010
Posts: 164 |
I have a 997 H-bird.It works fine at idle speed. As soon as i get up to about 1600 RPM it show a flat line and shows 1 ft. deep.It has worked fine for 2 years, nothing has changed , transduser is good and not moved. I put in a cheap Lorance and it does the same thing at the same RPM. I have talked to everyone that might know something and all i get is "wow, I aint never heared of that". I'm thinking it's some weird frequency or signal the moter is throwing offbut nobody knows how to check it. 2010 skeeter 21I, no one will give me any help!!!
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Re: h-bird stops working at over idle
[Re: El Jigro]
#7631669
06/11/12 02:16 PM
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Joined: Apr 2010
Posts: 27,768
patriot07
TFF Guru
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TFF Guru
Joined: Apr 2010
Posts: 27,768 |
Yeah, sounds like you're getting interference from your motor. I'm sure there are some folks here who know how to diagnose and/or fix it.
Life can only be understood backwards; but it must be lived forwards.
- Soren Kierkegaard
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Re: h-bird stops working at over idle
[Re: El Jigro]
#7631757
06/11/12 02:39 PM
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Joined: Nov 2010
Posts: 5,164
Wayne P.
TFF Celebrity
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TFF Celebrity
Joined: Nov 2010
Posts: 5,164 |
Run the engine through the RPM range with it in neutral to see if you get the same results.
Last edited by Wayne P.; 06/11/12 02:40 PM.
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Re: h-bird stops working at over idle
[Re: El Jigro]
#7632046
06/11/12 04:02 PM
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Joined: Sep 2006
Posts: 2,975
Doug Vahrenberg
Extreme Angler
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Extreme Angler
Joined: Sep 2006
Posts: 2,975 |
Sounds like RF/Electrical noise that is producing 200kHz frequency at that RPM Range. Does it change at higher RPM?
I would make sure to isolate the Transducer Cables away from the Electrical Tach wires as much as possible.
Might also call HB Customer Service they may have tips on reducing the RF Noise 800-633-1468 Humminbird is very proactive on reducing RF Noise.
 Website: www.dougvahrenberg.comSponsored by: Skeeter, Yamaha, MinnKota, Humminbird, LakeMaster, Transducer Shield & Saver, LuckyCraft, Dobyns Rods, Daiwa, Dave's Custom Baits, Omega Custom Tackle, Browning Eyewear, Elite Tungsten Co., Angler Innovations, Massey Ferguson.
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Re: h-bird stops working at over idle
[Re: El Jigro]
#7633922
06/11/12 11:51 PM
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Joined: Aug 2010
Posts: 164
El Jigro
OP
Outdoorsman
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OP
Outdoorsman
Joined: Aug 2010
Posts: 164 |
i did run up the rpms in neutral but the yamy only hits on 3 cylinders and it didn't "screw up" so that didn't really tell me anything.
Doug, it does not change at high rpms. I did call H-bird and they were not much help but that was before i figured i had a RF noise problem...i'll call them back.
Thanks for the info fellers.
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