Hot Surface Ignitor Voltage

The next step is to check to see if the pressure switch is closing.

Hot surface ignitor voltage. There are several possible causes for repeated igniter failures. Greater than 90 ohms indicates a failing or failed hot surface ignitor. Disconnect the hot surface ignitor from the control board and measure the resistance. Originally recorded december 6 2013.

You energize the furnace on a call for heat and make sure you get the proper amount voltage from the board. Hot surface igniter voltage test. Download a printable pdf. You have verified that there is no 120 vac to the hsi.

You disconnect the old hot surface ignitor and place your meter leads on the wires coming from the board. Ig80v 80 volts 120watts includes 80 volt silicon nitride hot surface igniter full replacement product list 2 universal brackets 2 wire nuts 3 ceramic spacers high temperature cable full fitting instructions and appliance contact label. Even voltages in excess of 125 v may reduce igniter life. 10 95 same day shipping on all items.

A good hot surface ignitor will have a resistance of 40 to 90 ohms. If your hot surface ignitor is good then you need to verify power from the control board or ignition controller. When the pressure switch closes the circuit board turns on the power to the hot surface ignitor. Set the multimeter so it can properly measure a resistance of 10 to 200 ohms.

I obviously found this out one day when i turned the oven on to preheat a. A hot surface igniter can burn out at approximately 132 v. 101 201 271 301 401 501 601 901 951. Greater than 90 ohms indicates a failing or failed hot surface ignitor.

If it is closing you will find 24 vac on both sides of the pressure switch measured from chassis ground. The hot surface ignitor in my oven went bad. Coorstek hot surface igniter specifications. On a newer gas oven the burners release and set fire to the gas via an igniter called the hot surface igniter.

80 volt silicon nitride direct upgrade part. If high voltage is present the power company should be requested to lower the power. The ignitor is a very fragile thing whether it s the round or the flat type. Disconnect the hot surface ignitor and measure the voltage coming from the controller.

If there is no voltage and the. One of the causes could be high supply voltage. To be safe i would turn the gas supply off to ensure no gas is released during the test. A good reading is 115 to 120 vac.