Water Heater Igniter Not Working

Repeat the process once to see if it will work or simply switch the circuit breaker on and off real fast for.

Water heater igniter not working.

When troubleshooting lighting problems it is recommended to test it first. Use the insulated pliers hold the igniter wire and from a metal part. The spark gap is factory set 0 125 and should be maintained. If the pilot cannot be cleaned replace it.

Turn the gas supply to the water heater off. Turn the gas off to the water heater and press the piezo igniter. The pilot ignites the water heater s gas burner. When trying to light the heater be sure to put the gas valve on the water heater in the pilot position and hold down on the pilot button.

Low voltage on the pc board. Unplug the igniter wire. The igniter is not working properly if the heat does not come on after resetting it. While continuing to hold down the pilot button press down on the igniter button three or four times.

If there is no spark than fix one of the following problems. Sometimes carbon deposits can build up on the pilot and eventually create a restriction. The water heater uses the piezo igniter to light the main gas burner and when it is pressed down it releases the electric spark. If the pilot is restricted try removing it and clearing it with a stiff brush and or compressed air.

Published on feb 18 2014 this video provides step by step instructions for replacing the igniter and flame sensor on ao smith gas water heaters. If the pilot does not light the water heater will not heat. Disclaimer our videos are for ent.