Greetings. I have a new RV with a MPPT 100 controller. Also I have 2 Li (Dragonfly) batteries. On my phone app, I see the correct battery voltage, however the solor wattage reads zero. My dealer says that it won’t read until the batteries require charging. As I’m geyting ready for a big trip, off grid, I want to verify that this is correct? Thx, Dan.
Hi if your batteries are full right now, yes you could see zero or almost no wattage from PV
1 Like
The PV voltage shouldn’t be 0.
The shows 0 if the polarity is wrong or if there is nothing connected.
1 Like
Yes without it wont work, your positive from your solar panels is missing
I think it just looks strange from that angle.
I would say the green wire is on the PV +.
I think you are right, there is a 4th wire on the left
Can you confirm it is the solar wattage which reads zero?
What solar voltage do you have?
Well… problem solved. Operator error! I didn’t realize that the “Solar Disconnect Switch” off means disconnect and on means connect. I overthoudht it and thought it was opposite.
Thanks everyone for your input.
This topic was automatically closed 14 days after the last reply. New replies are no longer allowed.