Victron Multi part 2

[Whitewater]

It seems I can't get the low battery LED to go off, even if the batteries are fully charged( this was done by running the engine)which means the inverter won't kick in, is their a simple fix or is it something more complicated... I have tighted all the batteries leads and also the cabling is suitable as it has worked before..

Edited April 6, 2012 by Whitewater

[Keeping Up]

The problem could be trivial or catastrophic or anywhere in between, and without a little more information it is impossible to tell.

 

The first, basic test must be to measure the voltage which the Victron is actually receiving. To do this you will need a multimeter set to measure voltage, and to apply its two prods across the actual connecting bolts themselves inside the Victron. To do this, the manual says first undo the four screws at the front of the enclosure and remove the front panel; you should clearly see the main positive and negative connections towards the lower right-hand corner (look at the manual here, there is a picture on page 43). They are labelled + and - on the real unit, and labelled E and F in the picture in the manual. Check that the "reverse polarity" LED between the battery terminals is not illuminated.

 

If there is not a good 12v or more on these terminals you can search a for a fault in the cables or connections. If there is a good voltage there, the next thing to investigate is the fuse to the left of the connections (labelled D in the manual). I would suggest that the best thing to do is to remove the fuse from the Victron and then to check it by switching your multimeter to read Resistance; when the prods are placed with one on each end of the fuse, the meter should show zero resistance. If it does not, then a new fuse is required.

 

If there is a good voltage present on the connecting bolts, and the fuse is OK, then the problem is probably going to need an expert to fix it. Similarly, if the fuse is blown and a replacement also blows, then you will need an expert. Good luck.