I don't think that is a good idea most home fires start with cooking! I have a Nest Device that has a warning if the kitchen smoke is going to cause an alarm and I can go to my app and silence it for 15 minutes. Then it resets itself.
No it is not the light. First that number is not too high for cannabis the sun maxes out at noon over the equator at 2000 PPFD. The chances are pretty good that you did not calibrate the photone correctly. It took me several tries to get it correct on mine. I don't know where the get off recomending 30 DLI as all of the sources I have studied use 42 to 60 DLI for cannabis. You have a nutrient problem as we have talked before.
You have a lock-out from too much Nitrogen and Potassium looks like it is locking out the Magnesium and Phosphorous.
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Too much love