If you have purchased a product from Bay Marine Supply one of our customer care features is USA Based, In-House Technical Support. At any point after your purchase you find yourself encountering a technical issue, please reach out to Bay Marine Supply with your order number ready.

To receive the quickest and most successful troubleshooting, we suggest sending an email at Sales@baymarinesupply.com including:

A detailed summary of the issue,

Images of the problem during it's occurrence,

Specifics to your PV System,

Be Sure to Include Images of:

⦁ Wide shot of overall system installation

⦁ Main Panel and Sub panels

⦁ How AC input and output are connected to inverter

⦁ How PV is connected to solar charge controller

⦁ How solar charge controller is connected to the battery bank

⦁ Picture of White information Panel showing the Serial number & MPN

⦁ How Batteries are connected to inverter

Please take pictures of voltmeter readings from terminals on inverter (and what terminals you are testing):

⦁ PV voltmeter readings

⦁ Battery DC readings

⦁ AC output readings

⦁ AC input readings

Send your email to:

Sales@baymarinesupply.com and one of our representatives will reach out!

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High-current DC cabling is not generally advised to be placed in a closed conduit because it diminishes the heat dissipation capability of the wire, which negatively impacts the ampacity of the wire.

For most of the 120v Quattro line, 4 DC cables will be used (2x positive + 2x negative) so, for instance, on the 12/5kVA that would be (4) 4/0 cables bundled together, and where a single 4/0 cable has a maximum continuous ampacity of 445A (assuming high-quality UL1426 marine wire), that same cable when bundled with 3 other cables now only has a maximum continuous ampacity of 267A.

That too is assuming "typical" ambient temperatures, whereas the same setup of (4) 4/0 cables inside, say, an engine room with high ambient temperatures, each cable would only have a maximum continuous ampacity of 226A.

Obviously this will make proper fusing very difficult, since where you could fuse a wire at 400A now you have to fuse it at 200 or 220A, in which case you would likely be quite routinely blowing fuses. So although Victron's admonishment against installing the wires in closed conduit may be an aesthetic nuisance, A. a raceway would be fine, and B. I'd personally much rather an installation be slightly less aesthetically pleasing than have to deal with either blowing fuses all the time or risking melted wires and potential fire.

Many problems can be resolved with minor system modifications. Since we are unfamiliar with your system, please provide the following information:

1, A description of the fault, and under what conditions the fault occurs.

2. The steps you’ve taken to troubleshoot the problem, and the results of your tests. The voltages at the input and output connections of the controller when the sun is up are important.

3. The significant components in your system, for example the batteries, breakers, and especially the solar panel wattage and Voc specifications, and whether multiple panels are parallel or series connected.

4. A photo of the system as a whole, and also connections at the controller, the breakers, and the battery. Since we can’t view your system directly, photos are extremely helpful in helping to diagnose the problem, and speed up the process.

5. If your system was professionally installed, the contact info for the shop or installer.

Once we have that information, we'll take a look at the installation and see if we can offer any additional troubleshooting steps to take or, worst-case, start the RMA process so that you can send the unit in to us for testing, and repair or replacement if necessary!