What causes a motor start/run capacitor to continue to fail?

I posted before about my air handler not kicking on. I crawled up to the attic. I found that if I spin the blower motor once by hand, the unit will run normally until it is turned off. Then, it won't start as before. Is this the capacitor on the side of the blower? It is a Goodman heat pump...

Does anyone know what type of rheostat will slow a PSC motor with a run capacitor. It is a gear motor that final turn is 86rpm, but I don't know what the initial speed is. It is 110 volt and 2.1 amp. 60Hz When I hooked up a speed control I purchased on ebay, (and their ad stated that it would...

I have a whirlpool drye. The blower motor has a capacitor that went bad. Does anybody know if whirlpool puts the same blower motor in other dryers? Or would my have order a new capacitor?

Ok I think I have narrowed my problem down to either a run capacitor or my start capacitor My fan on top of my unit runs but the compressor will hum for about 3-5 seconds every 5 minutes or so . Is it possible for my duel run capacitor to let the fan run but not let the compressor run, or is...

I have a Hampton Bay ceiling fan whose motor fails to self-start. The fan has three speeds. All three speeds work fine if I hand spin the blades, starting at low speed of course. The fan has a remote unit. Once I hand start the fan the remote allows me to change speeds up and down and turn off the...