question

timofei-pasechnikov avatar image
timofei-pasechnikov asked

SmartSolar 250/100 doesn't charge batteries

Some time ago charge controller Smart Solar 250/100 have been stopped charging batteries. System consist from 4 SmartSolar 250/100; Quattro 10 kW; Pylontech US3000; Fronius Symo 5kW; CCGX. During day time it sees normal voltage from PV but it doesn't want to charge.

The strange thing is that on that charge controller that does not work, there is voltage about 38V from the PV side at night. Everything else is working. How to fix this problem?

Thank you in advance.

MPPT Controllerserror
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1 Answer
Mikael avatar image
Mikael answered ·

Hi


I hade a simular problem and in the it was a bad connection on one of the battery cables.
https://community.victronenergy.com/questions/25467/problem-with-soc-after-smartsolar-upgrade-to-142.html?childToView=27748#answer-27748


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