question

every-battery avatar image
every-battery asked

Blue Solar MMPT 75/15 App Issue

Blue Solar MMPT 75/15 = Updated latest update on my App Im unable to get a Watts reading and no Histogram, I can only see and read a Voltage reading what would could cause this issue of not showing the Watts ......

MPPT Controllers
2 |3000
Toggle Comment visibility. Current Visibility: Viewable by all users

Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

2 Answers
Matthias Lange - DE avatar image
Matthias Lange - DE answered ·

What is your battery voltage and what is your PV voltage?

2 |3000
Toggle Comment visibility. Current Visibility: Viewable by all users

Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

every-battery avatar image
every-battery answered ·

Hi M. Lange thank you for your prompt response ...

13.79 Battery Voltage and PV Voltage 21.01

Mobile Phone Samsung S7

1 comment
2 |3000
Toggle Comment visibility. Current Visibility: Viewable by all users

Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

Matthias Lange - DE avatar image Matthias Lange - DE ♦ commented ·

13.8V is the float voltage.
Can you measure the voltage directly at the battery?
What happens if you disconnect the PV panels?

My guess is that there is a blown fuse between the MPPT(there is a fuse directly at the MPPT) and the battery.

0 Likes 0 ·