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Jan 23rd, 2013
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Low Voltage? #13568959 05/23/20 06:06 PM
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Rockfisherman Offline OP
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I am getting a low voltage warning on my Helix 7
After about 2 hours. Battery is brand new and fresh charged


???
Thoughts?

Thanks
Tommy



PM me to let me know how it was!
Re: Low Voltage? [Re: Rockfisherman] #13568978 05/23/20 06:25 PM
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Flippin-Out Offline
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You need to learn to provide a lot more info in order to get help. Without that, anyone is wild guessing.

One of four things:
1) A new battery isn't guaranteed to be a good battery.
2) Something is on that you don't realize is on, draining the battery faster than expected. (think compartment lights here, something not seen in daylight)
3) There is a high resistance connection somewhere between the battery and the Helix 7 causing a drop in voltage sufficient enough to trigger the warning after a couple hours of use
4) The Helix 7 is beginning to fail in that it's giving a false low voltage warning

Has this setup worked in the past?
Has anything changed? (Like you got the new battery because you were having this issue previously)
What battery do you have, and do you know of anything else on when you are fishing?
Is the Helix at the bow or console? Where is the power cord connected? (boat's existing wiring? new dedicated wire? what gauge wire?)

Re: Low Voltage? [Re: Rockfisherman] #13568999 05/23/20 06:55 PM
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I agree with flipping out. I bought 2 new batteries and one was dead even though it was reading 12v. The amps when tested was only 158 fully charged. Also, an issue I had on my electronics up front wire needed upgraded from 16 gauge to 12 gauge to the front. This resolved all my issues with voltage of electronics.

Re: Low Voltage? [Re: Rockfisherman] #13569033 05/23/20 07:36 PM
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the wire gauge question was to check if the wire was sub-gauge for a run. I've seen people think they could run something about like speaker wire 20 feet to the front deck, then power electronics from it. Even a good battery on a long sub-gauge wire run can result in low voltage warnings after running for enough time to cross the trigger point for the alarm. What is "low" for the alarm on a Humminbird anyway? Doe sit just say "low voltage" or does it give a number?.

Re: Low Voltage? [Re: Flippin-Out] #13569313 05/24/20 01:37 AM
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Originally Posted by Flippin-Out
the wire gauge question was to check if the wire was sub-gauge for a run. I've seen people think they could run something about like speaker wire 20 feet to the front deck, then power electronics from it. Even a good battery on a long sub-gauge wire run can result in low voltage warnings after running for enough time to cross the trigger point for the alarm. What is "low" for the alarm on a Humminbird anyway? Doe sit just say "low voltage" or does it give a number?.

The “voltage low” warning on a humminbird is adjustable.


Eat. Sleep. Fish.
Re: Low Voltage? [Re: SteezMacQueen] #13569327 05/24/20 01:53 AM
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Originally Posted by SteezMacQueen
Originally Posted by Flippin-Out
the wire gauge question was to check if the wire was sub-gauge for a run. I've seen people think they could run something about like speaker wire 20 feet to the front deck, then power electronics from it. Even a good battery on a long sub-gauge wire run can result in low voltage warnings after running for enough time to cross the trigger point for the alarm. What is "low" for the alarm on a Humminbird anyway? Doe sit just say "low voltage" or does it give a number?.

The “voltage low” warning on a humminbird is adjustable.



this ^ ^ ^ ^

adjust it down to 8v or so


" Hop, set the hook"!


lake fork FISHERMANS COVE MARINA/reservations - 903 474 7479
Re: Low Voltage? [Re: hopalong] #13569541 05/24/20 12:30 PM
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Originally Posted by hopalong
Originally Posted by SteezMacQueen
Originally Posted by Flippin-Out
the wire gauge question was to check if the wire was sub-gauge for a run. I've seen people think they could run something about like speaker wire 20 feet to the front deck, then power electronics from it. Even a good battery on a long sub-gauge wire run can result in low voltage warnings after running for enough time to cross the trigger point for the alarm. What is "low" for the alarm on a Humminbird anyway? Doe sit just say "low voltage" or does it give a number?.

The “voltage low” warning on a humminbird is adjustable.



this ^ ^ ^ ^

adjust it down to 8v or so

Per Humminbird web site "But a general rule of thumb is that the unit will not operate properly below 10.8 volts".

Re: Low Voltage? [Re: Rockfisherman] #13569606 05/24/20 01:41 PM
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Rockfisherman Offline OP
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Flipping, you are right, I went pretty generic on that ask.

Also, I left out some other important info

Unit is at console and was installed several years ago
by a marine service shop. I have no idea what gauge wire??
It worked fine for a while but has been acting this way for some
time now.

When it goes to low voltage signal it ultimately shuts down
Also, sometimes it will signal low and later I will turn it on and
It acts right?

Additionally (and maybe most importantly) when ever I turn motor on
Or trim while running, it shuts the unit down??

Forgive my lack of info. I am not very knowledgeable about electronics
Or electricity in general (volts, Amps and all that)

Thanks



PM me to let me know how it was!
Re: Low Voltage? [Re: RBDavis3591] #13569643 05/24/20 02:22 PM
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Originally Posted by RBDavis3591
Originally Posted by hopalong
Originally Posted by SteezMacQueen
Originally Posted by Flippin-Out
the wire gauge question was to check if the wire was sub-gauge for a run. I've seen people think they could run something about like speaker wire 20 feet to the front deck, then power electronics from it. Even a good battery on a long sub-gauge wire run can result in low voltage warnings after running for enough time to cross the trigger point for the alarm. What is "low" for the alarm on a Humminbird anyway? Doe sit just say "low voltage" or does it give a number?.

The “voltage low” warning on a humminbird is adjustable.



this ^ ^ ^ ^

adjust it down to 8v or so

Per Humminbird web site "But a general rule of thumb is that the unit will not operate properly below 10.8 volts".



setting the unit to 8v only keeps it from shutting down at 11 which is easily done when cranking the big motor. it will still shut down if the voltage drops too much, had 2 998s and an 899 and they worked fine but would not auto shut off when I cranked the engine or had them on for a long time.


" Hop, set the hook"!


lake fork FISHERMANS COVE MARINA/reservations - 903 474 7479
Re: Low Voltage? [Re: Rockfisherman] #13569648 05/24/20 02:26 PM
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Originally Posted by Rockfisherman
Flipping, you are right, I went pretty generic on that ask.

Also, I left out some other important info

Unit is at console and was installed several years ago
by a marine service shop. I have no idea what gauge wire??
It worked fine for a while but has been acting this way for some
time now.

When it goes to low voltage signal it ultimately shuts down
Also, sometimes it will signal low and later I will turn it on and
It acts right?

Additionally (and maybe most importantly) when ever I turn motor on
Or trim while running, it shuts the unit down??

Forgive my lack of info. I am not very knowledgeable about electronics
Or electricity in general (volts, Amps and all that)

Thanks




get your battery load tested (can buy a good one at auto parts or wal mart for around 40.00), you may just have a weak battery. check all grounds, ALL of them, bad ground will cause it too. cranking the big motor or trimming use a lot of amperage and will pull a battery down pretty good for a second or two, make sure of your running voltage too it should be 13.5 or more but less than 16v.


" Hop, set the hook"!


lake fork FISHERMANS COVE MARINA/reservations - 903 474 7479
Re: Low Voltage? [Re: Rockfisherman] #13569653 05/24/20 02:31 PM
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this is the one I used to have.

https://www.batterychargers.com/en/products/battery-testers/bt-100-battery-load-tester

price on here is suggested retail, like said, they can be had for 25-40 $ or so.

this is wal marts.

35.00

[Linked Image]


" Hop, set the hook"!


lake fork FISHERMANS COVE MARINA/reservations - 903 474 7479
Re: Low Voltage? [Re: Rockfisherman] #13569685 05/24/20 03:04 PM
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Rockfisherman Offline OP
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Thanks Hop I do have that same battery tester

I don’t think it is the battery. (But I will check again next time I get to storage)

I will try lowering the low voltage level on the unit
Maybe that solves it

Thanks again



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Re: Low Voltage? [Re: Rockfisherman] #13572537 05/27/20 11:59 AM
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check all the grounds too


" Hop, set the hook"!


lake fork FISHERMANS COVE MARINA/reservations - 903 474 7479
Re: Low Voltage? [Re: Rockfisherman] #13572993 05/27/20 05:57 PM
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My Helix 9 shuts down every time I crank the OB. This is on a size 29 battery I bought in February. I was told if the unit runs through a power switch on the console (mine is) to wire it directly to the battery. Until I can do this, I place the unit into Standby Mode before I crank the OB.




Kirk Long (Kikr) March 4, 1959 - June 19, 2009
I guess the Lord needed a fishing buddy more than me.
Re: Low Voltage? [Re: Rockfisherman] #13576299 05/30/20 11:52 AM
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Rockfisherman Offline OP
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Ok, I checked it out this week and it is not wired directly to battery.
(I also turned down the alarm-thanks Hop)

I am going to get another battery to dedicate my electronics to and direct
wire. Question:
For a dedicated electronics battery should I go deep cell or cranking?



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