Fan on ON and ac not working, heat works fine

My air condiction works fine bu when I put it on heat it won't come on at all no fan no noise or anything only thig I hear is a clicking on the circuit board that's it I have a lennox furnace Thanks in advance

Hello! I was traveling back to my college today and out of no where my car starts vibrating and making a funny noise on my left driver's side... It did this on and off for about twenty minutes. I know nothing was wrong with my car because I had taken my car in to get fully looked over days...

I have a carrie heat pump that is working fine so far. It still provide heat for my home. It just dose not go in to defrost mode to defrost the out side unit. I have read to put the unit in auxialry mode to get a few extra defrost cycles in, but when I read the flash codes it never say anything...

I have a 1997 or 98 Coleman Natural Gas Furnace with A/C. The blower works fine during the winter when I use heat. When I use the A/C, it seems that once the blower starts working for a bit on a hot day, it evetually (if on for more than 10 minutes at a time or so) starts kicking on and off while...

This Kenmore dishwasher, model 1376, works great and very quiet also. ...and then it stopped working. I suspect I might have placed something in there that blocked the spray arms. What worries me is that there wasn't/isn't any blinking light to indicate "fault" has been detected. Hope I didn't...