Since no one else has mentioned it.

Try covering all 3 sides of the tank. It makes the bp feel more secure. You can use black paper or go get some fancy aquarium background.

Also, you should have an identical hide on the cool side. They should be nice and snug so the bp will feel secure. Logs aren't the greatest. One entrance to the hide is best.

I'm sure he'll eat for you soon. He's probably stressed from all the action that's been going on