Furnace operates fine except during cycle it will shut down then come back on to complete cycle. Could this be the blower relay or something else?

Hi got a goodmangmp075-3 furnanc it comes on blower motor working but the heat sensor is not turning red what should I do

Need help. Not sure if having problem with stat or furnace. Stat was programmed to 68, and on "Auto", but furnace kept running past 79 and non-stop. I turned off the stat but it still heated up till the circuit was shut off. I left it off for at least an hour then clicked it back on. This solved...

I have an Amada 90 gas furnace with a dual stage Aprilaire 6202/6203 control panel, and an Aprilaire thermostat. When I turn on the thermastat for heat, the furnace turns on, the fan starts, the thermocoupler glows, and the burners light. Within about 10 seconds, it all shuts down, and begins the...

Can anyone suggest what's the possible problem with the furnace - it makes a loud clanging noise when the heat first come on and stop right after that.