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This incident sounds very similar to a comm. outage that occurred in May 2022.

Then, increased atmospheric dust caused a reduction in solar panel output. One night, battery capacity fell low enough that a controller chip was automatically powered off as a safety measure.

Consequently, Ingenuity's time-of-day clock get reset.

That led to a failure to communicate with Perseverance, when power levels came back to normal.

Why?

https://mars.nasa.gov/technology/helicopter/status/379/nasas-ingenuity-in-contact-with-perseverance-rover-after-communications-dropout/
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