Answer Arnie, There are several possibilities, the more common being : Low voltage to the dryer(under a load), loose connections at the terminal block and or the heater circuit components. A restricted or extensive vent length or overloading can cause the heater to cycle too often, and produce a temperature of 200 + dgrs. in the drum, causing the high amperage draw and wires to become soft and brittle, then burn. Read More... Answered by AppliancePartsPros.com | Thursday, September 4, 2014