Questions & Answers for: weak flame furnace

between the board and furnace frame. If the flame is not traveling all the way to the flame sensor, clean your burners. If the flame burns inside the burners, you may have weak gas pressure. Good Luck

...box) check the pilot gas pressure, might be too weak and blowing out when the blower starts, the clicking noise is the gas valve shutting down when it detecks no pilot flame, that park is

weak flame in intertherm furnace We have a intertherm propane furnace. the yellow light that flashes indicates a weak flame. We have changed the circuit board, sensors, pressure switch, gas valve, and

weak or bad flame sensor. If the circuit board does not sense a good flame it will not light the burners. Also if your furnace is 5 yrs or newer it should give you a fault on circuit board in the form

flame will go very low, blower will stay on but no heat. If you shut it down and back on it will do same thing, had gas co check pressure- Ok Bryant MODEL 349HAV Nat Gas Furnace if the gas pressure is

remove flame sensor and clean with a steel wool, then reinstall and start Furnce back up. If this does not work then most likely the Igniter is too weak to ignite the gas and will have ro be replaced

weak flame Gas manifold pressure should be 4.5" water column, and around 6" to11" at the inlet. Thats assuming the weak flame you're talking about is not the pilot light.

...come in but no pilot light... Help?? might need to bleed the gas line at the furnace, if it has not ran in some time the gas gets weak and will not support the flame needed to keep the pilot light ...

weak" flame. After the flame goes out the system continues to do this two more times, eventually flashing the four light LED code indicating "lockout due to failed ignition." Before calling out a tech

weak flame M1mb070abw Hello, Nordyne M1mb070abw furnace is giving weak flame error which is blinking yellow light and a solid red light. The furnace turns on Ignitor works Fire is started Blower motor