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Suzuki DF 300 alarm 7-5. Need help

Old 12-27-2020, 04:34 PM
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Default Suzuki DF 300 alarm 7-5. Need help

Has anyone ever received this code on their Suzuki? While I was fishing yesterday my motor when into an alarm 7-5 when i went to take off after fishing for a little while. My understanding is that it is some type of low voltage and/ or communication error. My motor would crank up perfectly fine, but the error would come on when I tried to put it in gear which it would not let me do since I have the fly by wire shifter. I was close enough to the marina that I used my trolling motor to get back. I took the boat to get the batteries tested, and they tested good. I charged them to 100% last night and went back out this morning. Boat was putting out around 14 volts when running all morning. Then I started the motor after fishing for a bit, and the same error. I waited about 10 mins, started the motor back up and ran back to the marina with no problem. Alarm went back off as I was waiting to put the boat on the trailer. Has anyone experienced this issue before. I am wondering if my interface is going bad on me.?
Old 12-27-2020, 05:08 PM
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Check for a loose connection. I had the same thing going on, it was a loose connection on the battery switch. Where the white wire hooks up.
Old 12-30-2020, 05:39 AM
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How old are the batteries. Testing good and having 1000 Mca are two different things

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