Question on MN15 failure

bill von novak
bill von novak Solar Expert Posts: 892 ✭✭✭✭
This is a strange one.

Got an MN15 ("The One" by Midnite) last year and got it hooked up and working.

It has now stopped producing.  Solar inputs (measured) are 64W 84W and 60W respectively in full sun on the three strings.  So total of 204 watts.  Total array power is 9880 watts.  Voltages are high, close to open circuit voltages.

Measured AC output is 494 watts.  However this may include 176 watts of pass-through solar from a microinverter.  (It is reporting 176 watts as consumption not as generation.)

Reported production is 2400 watts, and reported power for the day (as of noon) is 17kwhr.  All of this is via the display.

The Bluetooth app has a third opinion.  It claims a load of 176 watts, generation of 1.9 kilowatts, and grid consumption of 1.6 kilowatts.  (That last number is probably accurate.)

Battery is 100%.  Work mode is "grid feed in priority."

So it's not converting much solar but it's claiming that it is.  Has anyone else seen anything like this?