Hello people!
I bought a brand new BlueSolar MPPT 75/15 Victron Solar Controller 12/24V about 2.5/3 years ago. , for my small camper van, to charge phones, LED interior lights etc relatively small loads.
I connected controller to two new leisure batteries and a new 120w PV panel on my camper van. As far as I am aware I have connected it all correctly, in the right order, it all worked well at first.
The yellow light has pretty much always flashed (charging?) apart from at night. The green light is always on.
For about the last year, when I use a small amount of 'load' e.g. plug in a phone charger lead into the USB port on the volt meter the voltage on the voltmeter drops rapidly and doesn't charge the phone (even in bright sunlight).
The only thing I have noticed is that - on the bottom of the BlueSolar controller, beside the 20amp fuse, there is a place to put in 'pins' for a certain set up. My controller has no pins in position. Should there be?
Any advice or help or suggestions would be most gratefully received!
Kind regards,
Toby