We have had our ceilin fan operating for at least four years. The remote suddenly stopped working. I replaced the batteries and I can not control the fan. Why?

Does the fan have pullchains? Does the LED still light up on the remote?

See our troubleshooting instructions in Electrical and Lighting, also see:

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