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richardlocat avatar image
richardlocat asked

2 controllers Smart MPPT 100/30 connected to BMV 712

Both controllers are working fine at ''Bulk' and ''absortion'' mode but one stop working at ''Float'' mode, Why?. Both controllers have version 1.39. I noticed that one controller blink every 3 second at ''bulk''mode, Why?

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Paul B avatar image
Paul B answered ·

One Controller has shut down as the other controller is all thats needed to keep the batteries in float.

Ie the voltage on one mppt maybe reading very slightly higher than the other

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richardlocat avatar image richardlocat commented ·

Thanks Paul for your answer, why one controller blink every 3 sec at ''bulk'' mode even is charging similar amps to the other one that is not blinking?

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