The dryer started taking extra long to dry, then the door switch went out and blew the house circuit breaker. I bypassed the switch and the dryer turned on without blowing the breaker. The problem now is low heat. I observed the flame sequence. The igniter glows orange, the gas comes on the burner starts up. The flame is hot. After about 3 minutes the gas shuts and the flame goes out. You then hear 2 clicks the igniter glows again the gas turns on and flame comes up. This keeps going on over and over. Any help would be appreciated.

thanks