What would cause a three speec ceiling fan, without remote, to slow down. The fan is
Four years old and recently began to slow down in all three speeds. Thank you.

Chris Lomax
Pasadena, CA

Since it affects all speeds, possibly neutral connection. Capacitor, fan winding.
Can you measure voltage at fan(Light is easier access)120 Volt.
Spins Freely?

What make is the fan? Sounds like a bad capacitor. See:

American made ceiling fans - Ceiling Fans N More (http://www.ceiling-fans-n-more.com/ceiling-fan-capacitors.php)

General ceiling fan troubleshooting and help FAQ- Ceiling Fans N More (http://www.ceiling-fans-n-more.com/ceiling-fan-general-troubleshooting-and-FAQ.php)