My goodman furnace starts like normal but after a few seconds stops and then restarts a few seconds later it fires then stops then refires why

I have a 8/9 yr old Nordyne gas furnace. I am remodeling this home and at night I shut the heat off to save energy. When start in the morn. I turn it on and set the theromstat at 65 deg. And it will start up and run but before it reaches what ever temperature I set it at, it will shut the burner...

Hi, I got a problem with main blower in gas furnace. I've checked this site, but didn't find an answer. Symptoms: Sometimes it starts and stops when burns work or don't start at all. Relay clicks to start blower in 30 seconds after burner started, but blower doesn't start or stops and then...

Hello I have a Gaffers-Sattler furnace, about 40 years old. Runs great, but for one problem. In the morning around 5 or 6, I turn on furnace and it will heat up and run for about 5 to 6 minutes then stop for about 3 minutes and repeat this all morning long. (frustration as this is when its...

I have a 1988 Rheem RGDA-125-ER furnace. I noticed over the summer that the A/C, when switched to cool, would come on and then immediately switch off if the set temp was higher than the room temp. If I programmed the set temp far below room temp and then switched on, it would run normally and I...