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andyrlm avatar image
andyrlm asked

Smartsolar MPPTs not synchronising

I wonder if someone can help as I'm a bit stuck with this?

I have 2 x Smartsolar 150/100 VE.Can controllers charging a lithium battery at 28v absorption, 27v float. They are networked via VE.Can to a GX device, and also in a VE.Smart group via bluetooth. They both show up everywhere, have the same firmware, have the same NMEA device instance, and appear as "Standalone and Group master" and "Slave" on the GX.

Individually they both work fine. With both on however, one of them (the slave) turns off within a minute of being in absorption mode. It starts again within about 10 seconds, reaches around 50% of the power of the master, but then turns off again.

Any ideas as to why one might be behaving like this when they appear to be networked and synchronised OK?

MPPT SmartSolar
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dbruessow avatar image dbruessow commented ·

Did you ever get an answer to this question/is it still an issue?

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nickdb avatar image nickdb ♦♦ dbruessow commented ·
Advice would be to remove the smart networking as it should not be mixed with a wired gx network, it can cause conflicts.
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dbruessow avatar image dbruessow nickdb ♦♦ commented ·
Thank you.
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