AC/220 voltmeter showing higher than actual in 2007 340/375DA

melida

Member
Apr 1, 2009
897
Istanbul-TURKEY
Boat Info
Sea Ray 2007 375 DA
Sea Ray 2005 315 DA Sold
Engines
2xYANMAR 6LPA-STP 315 HP V-drives, 4kw Onan gen, radar, gps, autopilot, bow&stern thrusters, sat tv
Both line 1 and line 2 AC voltmeters at the electrical panel in my 2007 340/375 DA showing higher volts than actual voltage.

Line 1 shows 280 volts and line 2 needle hits to 300 and it is vibrating.

I dropped the AC/220 volt panel and measured the voltmeters with digital multimeter and both with shore power and generator getting 220-230 volts as you can see in below video, so there seems no problem with the boats electrical fitment and generator output but the voltmeters.

[video]https://youtu.be/oOxTkscsI7g[/video]

The connections at the voltmeters are tight and there is no visible water intrusion/corrosion, so any ideas to fix this except changing the voltmeters ?

TIA
 

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