Answer Hello Steve, This is a heating circuit failure. You should check the heating element, and the high limit thermostat. The other components in the circuit are the control, the door switch and the wiring harness. Be aware that if the unit is not securely fastened to the cabinet, the door switch for the heating circuit may not be making electrically. The unit must be secured in a level configuration so the door switches can make electrical connection properly when the door is closed. Read More... Answered by AppliancePartsPros.com | Wednesday, March 18, 2015