How to Reset a Hot Surface Ignition on a Gas Furnace

Power Switch or Solid State Controller Reset

• 1

  Locate the power switch or solid state controller box on the side of the gas furnace. Look for switch that's similar to a light switch or a small square box with a raised red button.

• 2

  Flip the furnace power switch to the "Off" position or press and hold the raised red reset button on the solid state controller box.

• 3

  Release the reset button after five seconds. Wait three to five minutes, then switch the furnace power switch back to the "On" position.

Circuit Breaker Reset

• 4

  Open your home's main circuit breaker box. Find the circuit breaker that supplies the electricity to the gas furnace.

• 5

  Move the circuit breaker into the "Off" position.

• 6

  Leave the circuit breaker in the "Off" position for five minutes. Move the circuit breaker back to the "On" position to reset the furnace and hot surface ignition system.