I’m only laughing because I asked the same thing yesterday.
If you have the Basic, it needs to be 75 degrees in and around the laser. If you have the Pro, it apparently needs to be 81 and under. (My a/c doesn’t work so great, so I only get down to about 82.)
If your exhaust is connected to the outside, try blowing the air out for a bit in case the heat was seeping inside. Also, thanks to the loverly @Jules, it turns out that if you raise your Glowforge a bit off the table with a fan directing to the area, then it helps cool down the machine enough for use. There are other posts around that also describe some more elaborate setups: