question

benc987 avatar image
benc987 asked

Solar not charging or receiving voltage

Hello,

I’m having an issue with my solar charger it’s a 100/50 mppt. I have checked all wiring including reversing the plus and negative solar into the mppt, I have removed the isolator switch and connected directly, I have checked all wiring connectors, I have checked all fuses etc yet still nothing. I understand it’s not been the sunniest days but surely it should read something. Also my pannels are 175w x 3 connected in series. The unit is on by the way and I can connect to it by Bluetooth. Any other thoughts? I’d there a setting somewhere that’s easy to miss as I am sure I have it set correctly.

MPPT Controllersbattery charging
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1 Answer
Matthias Lange - DE avatar image
Matthias Lange - DE answered ·

Connecting the battery in reverse can have blown a internal fuse that is not changeable by the end user.

Make some screenshots of VictronConnect.

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Sorry just to clarify, It’s plus and negative from the pannels which Iv swapped around not from the battery.
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