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flashing MPPT LED on MNGP

Started by qrper, September 17, 2026, 02:59:30 PM

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qrper

I have been running a Hawk's bay now for a couple of weeks. I've noticed that once in a while the MPPT LED on the MNGP flashes. Nothing seems to be out of order, and after a while, it glows solid.

What is the flashing suppose to mean?

mike
System one: 7kWp w/ Trina 250 W panels @90 Vdc. Classic 150 to 16-6 V U.S batteries. Trace 5548 sine wave inverter.
System two: 6kWp grid tie with solaredge inverter.
System three: Midnite Brat, two 120 W Astropower modules, 100 Ah battery. Runs the LED streetlight in the back yard.

Brucey

Quote from: qrper on September 17, 2026, 02:59:30 PMI have been running a Hawk's bay now for a couple of weeks. I've noticed that once in a while the MPPT LED on the MNGP flashes. Nothing seems to be out of order, and after a while, it glows solid.

What is the flashing suppose to mean?

mike

Gemini suggests it can flash when its doing a sweep to find a new mppt point, and also when it transitions from bulk/absorb to float etc.

FNG

Flashing indicates its regulating in float