Speed Queen Dryer Error Code HEAT ERROR

The HEAT ERROR code on a Speed Queen dryer signals a failure in the heating system, but the specific cause depends on whether the unit is a gas or electric model. On gas dryers, this error means the Ignition Control Module (ICM) exhausted all of its programmable retry attempts without successfully igniting the gas burner. The ICM monitors the ignition sequence, and if it cannot confirm a flame has been established after repeated attempts, it locks out and triggers this fault. On electric dryers, the control board has detected that the heat contactor is in a shorted condition, meaning current is flowing through the heating circuit when it should not be.

For gas models, the root cause is typically within the gas ignition system itself. This includes the ICM, the igniter, the flame sensor, the gas valve coils, or the gas supply. If any component in the ignition sequence fails to operate within expected parameters, the ICM will not register a successful flame, and the retry cycle will eventually time out. Low gas pressure or a faulty gas valve can also prevent ignition even when the electrical components are functioning correctly.

For electric models, a shorted heat contactor is a more serious condition because it means the heating element circuit may be energized outside of normal control. The contactor is an electrically actuated switch that controls power to the heating element. A short across the contactor contacts can result in continuous or uncontrolled heating. Clearing this error on an electric model requires a full power cycle, use of the Clear Fatal Error key sequence, or a network command, reflecting the more serious nature of this fault compared to the gas model recovery options.