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Jason, Marine Mechanic
Category: Marine Electronics
Satisfied Customers: 549
Experience:  Degree in Marine Technology, Also Certified with Mercury Marine, MCM, MIE, VP, Yamaha, Honda, Suzuki
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I have two 597 ci hd and both of them cut off when you turn

Customer Question

I have two 597 ci hd and both of them cut off when you turn them side ways are up and down are just riding down the lake . idont think it the power cord because I have two boats and both are fixed for the same units and they do the same way on both boats.
Submitted: 10 months ago.
Category: Marine Electronics
Expert:  Russell H. replied 10 months ago.

Hi, thank you for contacting My name is Russell. I will do my best to provide the right answer to your question.

How old are the two Humminbird fishfinders in question ?

In what orientations do they now work and not cut off, please?

Customer: replied 10 months ago.
I thank about two years old they will stay on all time if sitting still are don't turn them are bump them l can do better on the phone(###) ###-####
Expert:  Russell H. replied 10 months ago.

OK, I understand.

Have these two fishfinders been subjected to considerable shocks or vibration?

Have they been gotten wet or damp fairly often or to a significant extent?

Customer: replied 10 months ago.
Expert:  Russell H. replied 10 months ago.

When turned or bumped, do they go Off completely?

And do they stay Off, also, when left along, no longer moved, etc.?

Customer: replied 10 months ago.
l don't understand the third one
Expert:  Russell H. replied 10 months ago.

OK, they turn Off completely, and they stay Off.

That sounds like a loose power connection in each of them. That is why I asked about, "Have they been gotten wet?" and "Have they been subjected to vibration or shocks?" Such an effect might loosen up, or (if gotten wet or damp) corrode the power connections.

Since they are about 2 years old, they are no longer under warranty. I advise that you have them opened, and the power connections re-seated. Then when closed up, the connections may be more secure, and may hopefully not come loose.

This of course, should be accompanied by a close inspection for any visible abnormalities and/or corrosion, in case something of the sort needs fixing.

Let me know if this answers your question - or, if you would like further instructions. Thanks.

Customer: replied 10 months ago.
I was hopeing you would help me fix them like spray the contact are scrape some connection
Expert:  Russell H. replied 10 months ago.

Well, contact cleaner might get into the electronics of this sort of device, and ruin some components... so contact cleaner spray is not necessarily at all appropriate.

Connections inside this sort of device are very delicate. Scraping would be inappropriately indelicate and could damage things, unfortunately.

Also, simply un-doing the power connections, then re-connecting, will scrape any minor corrosion off the connections. This is a professional-level technique, and very often effective.

Please try it.

Let me know how it goes, please. I may have further advice to offer. Thanks.