Entry chime not working

I recently installed my system and things were working great.  Some where along the way I noticed that when I opened a door or window it no longer chimes even though I have the settings on the base station and the siren to chime.  Has anyone experienced the same issue?  I removed the siren from the system and re-added it but it still doesn't work.  However, it does chirp when you enter the house before disarming the system.  I also thought that maybe having the base station chirp and the siren may have been a programming bug so I set the base station to OFF and the siren to chirp when an entry is triggered but it did not solve the problem.  I am not sure what else to do to test.  Has anyone else experienced this issue?