I installed a ceiling fan about 1 1/2 yrs ago, was working fine, it has lighting in the motor housing and lower lights, this fan has pull strings and a remote all were working fine. Replace the battery in the remote. The remote will not operate any part of the fan, the pull strings for the lights will work, the pull strings for the fan do not work. The connections all appear to be o.k.. Anny suggestions.

Did you try bypassing the remote receiver as suggested in the FAQ?

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