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Jmarc asked

Mppt150/60 update fails.

We are installing two new mppt150/60 on a new boat. Unit purchased a year ago.

We have two phones on board. A Samsung Note 8 and Samsung Galaxy. Both behave the same with both mppt.

As soon as the update from v2.10 to v2.14 starts.we get error #4 update failed connexions unstable. Tried to reset both units disconnected battery and solar panels no change.

Any suggestion?

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