Guests - If You want access to member only forums on FM. You will gain access only when you Sign-in or Sign-Up on Fishing Minnesota.

It's easy - LOOK UPPER right menu.

  • Announcements

    • Rick

      1st Please Post Your Fishing Report - Then Join the NEW - Private Fishing Report Clubs   01/24/2018

      Private Fishing Report Clubs - Click Here - Post Your Fishing Report Before Joining
      1st, be sure you post a fishing report in the forums, then ask to join after you post a fishing report in your area forum. The Private Fishing Report Clubs are where folks can share private fishing information with club members who have proven they know what's going on. Fishing Report Clubs Link also in Menu above. Apply to become a member today, while it's still easy. 
  • RECEIVE THE GIFTS MEMBERS SHARE WITH YOU HERE...THEN...CREATE SOMETHING TO ENCHANT OTHERS THAT YOU WANT TO SHARE

    You know what we all love...

    When you enchant people, you fill them with delight and yourself in return. Have Fun!!!

  • 0
Sign in to follow this  
harvey lee

Humminbird 998si power issue

Question

harvey lee

Friend of mine put this unit on his boat this spring.

Everything worked fine but now, when he has the unit on and starts the outboard, the Bird unit shuts down. Once the motor is running, he can unplug the unit, plug it back in and it works great until he shuts the motor off. Then when he restarts the outboard, he has to unplug the unit again to get it to power up.

I should not say the unit turns off but it goes from a screen with info to only black lines through the screen. Then reboot it while the motor is running and all is well again. Seems like a lack of voltage while the motor starts as in to much draw for the outboard with a weak battery status.

I looked in his manual and it said the unit needs 10 volts to operate.

My question is, if he has a battery that is under power or say a bad cell, could the starting of the outboard draw so much that there is less than 10 volts to the bird unit so it shuts down?

He has the unit hooked up to his battery that runs everything else in the boat including the outboard motor. The starting battery in the boat is 12 years old.

I told him I would check the voltage to the unit when he starts the outboard to see what there is for power to the unit while it is on. I also suggested to have the battery load tested to see if it is a weakened state.

Anything else I could check or am I looking in the right place for the issue?

Thanks

Share this post


Link to post
Share on other sites

13 answers to this question

Recommended Posts

  • 0
MN Mike

My 798 did that in my boat from the beginning, exactly as you describe. I put new batteries in and it hasn't done it very often now.

After the first couple times it did it, I just learned not to start my electronics until the motor was running although that doesn't help when you're out on the lake starting and stopping your motor.

Mike

Share this post


Link to post
Share on other sites
  • 0
reddog

Voltage drop. Check and clean all connections. Bring up the voltage in the view and see how it reacts to turning the key on and starting

Share this post


Link to post
Share on other sites
  • 0
B-man715

Starting battery is 12 years old......????? hmmmm....... I wonder what the problem is? blush

Share this post


Link to post
Share on other sites
  • 0
harvey lee

He had the battery load tested this spring and it was fine then, not to say it could not have lost a cell since then though. He has only used the boat twice since then so he did not believe the battery was the culprit.

I told him I would have it load tested again.

Share this post


Link to post
Share on other sites
  • 0
h8go4s

Seriously? I wouldn't even consider having a 12-year old battery tested. Replace it. Now.

Share this post


Link to post
Share on other sites
  • 0
harvey lee

Well, he does not fish that much and why purchase a new battery if you do not need one?

I would agree the battery is more than likely the culprit but like I said, It was load tested just fine a few short months ago.

Share this post


Link to post
Share on other sites
  • 0
highlife4me

I would check the voltage at the unit while the motor is being turned over. Could be he has an excessive length of wire or too small of gauge wire and the voltage is dropping below 10 volts while motor is cranked over.

Share this post


Link to post
Share on other sites
  • 0
TruthWalleyes

If i run my starter battery very low i can make my radio and other electronics blink when i start the motor - that takes me about 3 days of solid fishing for me to get the battery that low. Did he do a load test of his 12yr old battery?

If all symptoms tie to the starting of the outboard, and we know that draws some major amperage, i would change the battery as it is most likely the culpret.

Also, make sure the voltage is displayed on the screen when you start it next time, the drop should be noticable right before the unit shuts off.

Share this post


Link to post
Share on other sites
  • 0
BLACKJACK

My starting battery was low this weekend, accidently had one of the navigation light switches on, when I turned on the Humminbird it came up with a low voltage message and shut itself down.

Share this post


Link to post
Share on other sites
  • 0
TSchultz

Often times if he has the bird hooked up through a fuse block or similar underneath the dash the boat mfg will not have heavy enough wiring feeding it and when you go to start the battery it will drop the voltage enough that the unit will shut down. If the battery is good wire the unit directly to the battery. Problem solved.

Share this post


Link to post
Share on other sites
  • 0
bowhunternw

Mine does the same thing, when the battery connections are less than perfect. Clean them up good and that fixes it.

Share this post


Link to post
Share on other sites
  • 0
Cheers

I had similar issues with a Lorance . Problem turned out to be wrong size battery . I had gone to the auto parts store and bought a new starting battery and didn't know enough to pay attention to the specs of the battery. It had 650 CCA . My optimax needs 1000CCA to satisfy the electronics on the motor and the new battery couldn't put it out thus causing a voltage drop and therefore causing the fish finder to shut off. I got a stronger battery and the problem was gone !

Share this post


Link to post
Share on other sites
  • 0
PerchJerker

I had an annoying power issue affecting my graphs the first year I had a new boat. It wouldn't happen very often, but occasionally when I was flying across the lake all my graphs would shut off at the same time for no apparent reason. I checked and rechecked and re-rechecked everything multiple times. Nothing.

I eventually realized it was only happening in rough water when the boat was bouncing around a lot, but I still couldn't figure out the problem.....

One time when they shut down I finally noticed that the oil reservoir for my Opti had moved a bit. It was still in its bracket but it was less than 1/2 full of oil and had shifted positions a little. I pushed and pulled on the reservoir tank and noticed there was enough play to BARELY brush against the main power breaker.

The main power breaker had never tripped, but too make sure the oil reservoir couldn't touch the breaker I wedged a pair of sandals between the oil reservoir and the wall where the breaker was mounted. Voila' .... no more graph shutdowns!

After running it that way for a couple months with no more problems I remounted the oil reservoir to the other side of the compartment and got my sandals back.

It shows how touchy and sensitive these electronics and boat wiring systems can be .......

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

Sign in to follow this  



  • Your Responses - Share & Have Fun :)

    • Knowknot
      Great video Curt, for as much of it that I could see. Keep up the good work, and one question, Are there any live emerald shiners around the Baudette area to be had, or just frozen ones?
    • eyeguy 54
      Its a little stiffer than my titanium spring boober and much more sensitive.  I like it  better than the 27 inch ul ticklestick. Only used 3 and 4 mm jigs so far. Thumbs up from me. 
    • Troy Smutka
      2/18/18     Got out on an area lake an hour before sunrise Saturday. Got a bunch of crappies until they slowed about 9 am. Most between 9.5 and 11 inches. Sunfish started biting about sunrise and bit all morning. Half of them were 8 to 8.5 inches. Most of the rest were 7 to 7.5 inches. Kept two meals of fish--released the rest. 1/32 ounce VMC Tungsten Tubbies tipped with a single wax worm or two red Eurolarvae fished just above some weeds in thirteen feet of water caught fish after fish. Lots of good ice on area lakes. Even though walleyes and pike close in just over a week and wheel houses can't stay out unattended soon, still a lot of good ice fishing for panfish to come. Will have plenty of ice for a while, so get out and enjoy the peace and quiet and fast crappie and sunfish action that March will bring. Good luck, and I will see you out there somewhere.
    • IceHawk
      Had a chance to rub shoulders and fish with some of the ice team guys today. Great bunch of guys we had some good laughs and of course discussed plenty about fishing. Even shared a few hotspots. The hands on they give the people that sign up for this event is absolutely amazeing! From hands on to tips on everything to do to make your day on the ice way more productive. From what I witnessed it would be well worth the investment to sign up for one of there events , if you are new to fishing or heck even a seasoned angler.  Fished with one guy from Nebraska said he has done 5 of these events and has enjoyed everyone of them.  Fun day for sure 
    • AlwaysFishing23
      Royce, how’s the sensitivity Is the tip soft like a tickle stick and how’s quality seem? About same price as a tickle stick I see may have to try one for next season. If It passes with flying colors do you it must be good! Tough day for me not much happening went from about 8-29 FOW and just nothing. Found perch in about 19 but even they seemed finicky and would only hit the dead stick. A bit windy on the lake today to!
    • The Chemist
      Yes that would be the one. A friend of mine sent it to me. The guy who got it is a friend of his nephew. 
    • The Chemist
      So that explains the traffic and also the one where they were shooting video of what appeared to be about a drill type auger. Did drive by an ice team truck on the way out also.
    • The Chemist
      The warmer weather has brought alot of people out to the area. We are waiting for the later bite. Most are setup in shallowet water. Haven't marked fish yet but tendto see them at sunset.    Be careful with all the holes being drilled! I found one that was covered back in, got my shin, luckily not my ankle.
    • eyeguy 54
      Started out in 26 feet this morning and had 5 dandy crappies in 15 minutes then it was over. moved a mile and found a few dandy gills in 16 feet. And a couple bass.  Day 2 with the new rods and liking them more. 
    • monstermoose78
      I would fish them trees
  • Share & Have Fun