Why is the fan on my ac not running
The fan in your AC is not working because the motor should have had a problem. However, the problem can still be with the bad conductor to the power. The problem should be with the bad capacitor. You need to get it to a technician for fixing.
Fan motor needs replaced
If you can't figure it out yourself, you're going to have to call an HVAC company. Some more detailed information could be useful here, though.Before you do anything, check the breakers.
Window unit, central air or car AC?