Rachio 2 not reconnecting to wifi if router restarts

I noticed an issue that if my router restarts the Rachio Gen 2 controller will get stuck on light 2.
I have XFinity and tried different settings but no luck.
It is connected to a 2.4 Ghz band.
If I power cycle the Rachio it comes right back online. But otherwise it is stuck.
Looking for any suggestions to make it work properly.

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