Goodman Gas Furnace No Flame

The flame sensor monitors the burner to detect whether or not a flame is present.

Goodman gas furnace no flame.

If the pilot doesn t light on the first attempt wait a few minutes and repeat the procedure this time depressing the reset button for 45 to 60 seconds. Failure to establish flame. Turn the furnace off and leave the house. Cause may be no gas to burners front cover pressure switch stuck open bad igniter or igniter alignment improper orifices or coated oxidized or improperly connected flame sensor.

I just bought this house as a rental and when i turn on the furnace i get 5 short blinks. Integrated control module diagnostic led is flashing one 1 flash. Find the gas supply valve next to or behind the furnace and rotate the valve to the open position typically by twisting counterclockwise. If the flame sensor is defective it might fail to detect a flame.

The goodman furnace may not be receiving an adequate gas supply if the glow ignitor turns on but the furnace cannot ignite. Ntrol board will shut off voltage to the gas valve to prevent the furnace from heating. If the flame sensor does not detect a flame the co. Loss of flame after establishment.

I go to the flame rollout switch and see it was removed by the previous owner. Modulating variable speed ecm gas furnace up to 98 afue heating input. Inside blower runs constantly will not shut off. Sometimes if the flame sensor is dirty it will fail to detect a flame.