I know that it can be very frustrating to have issues with your garage door opener. When the opener and the sensors have stopped communicating with each other, it is due to either a malfunction in the sensors, or a malfunction in the logic board. Since you have already replaced the sensors then the problem is most likely in the logic board. I would suggest that you have this tested before replacing it. If you would like to schedule service, just click on this link:
Sears Home Services
.I hope this helps. If you need further assistance, please reply to this thread. Thank you for using Manage My Life.