Tempstar Furnace Won T Ignite
Set the temperature you would like for test purposes just set about 10 degrees hotter than the current temperature to see if the furnace turns on.
Tempstar furnace won t ignite. Ignitor won t light tempstar nug5125bkb1 gas furnace. If any of these things aren t right you won t get ignition. To fix the furnace that won t start turn off the power to the furnace and turn off the gas. To determine if the igniter is faulty remove the igniter and inspect.
Refer to your user manual to locate the ignitor. If the igniter fails or cracks the furnace won t heat. Check that the thermostat is on. Take the aluminium pilot tube off the gas valve start up and see if gas actually comes out of the pilot fitting and if you have 24v on the 2 blue wires the igniter may be bad that should cause the mini igniter to glow when it gets 24v.
If you have hot surface ignition the ignitor may be broke. If the igniter is cracked replace it. Remove the front panel and look for the ignitor sensor. It is usually located near where the flames shoot out of the burners.
The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite. Answered by a verified hvac technician. Check that the thermostat has power to it if your furnace won t turn on. If it s an intermittent pilot system there may be other things going on to where no ignition sequence is taking place.
If the igniter is not cracked use a multimeter to test the igniter for continuity. Check that the thermostat is in the heating mode of operation. This is typically the problem if you can hear your furnace click on but it does not fire up.