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carlos-oyarzun-moraga avatar image
carlos-oyarzun-moraga asked

MPPT RS 450/100 - Missing data

Hello to All,

I have the following message shows on the screen: No PV power input. How or where do I have to input that required data?

Thanks and kind regards

smart solar set-up help
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ejrossouw avatar image
ejrossouw answered ·

Do you have PV connected to it as it does not appear to see the PV string. What is the string voltage if you measure it with a multimeter? The manual has a comprehensive section on things to check e.g. polarity, min startup voltage etc. etc.

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carlos-oyarzun-moraga avatar image carlos-oyarzun-moraga commented ·
Hi, tks. Yes, i do have voltage on PV1 98v & PV2 102v
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