There are a few reasons why your Motorola baby monitor might not be working. One reason could be that the battery is low. If your Motorola baby monitor has a battery life of less than 10 hours, it might not be able to keep up with the needs of your child. Another reason could be that there is something wrong with the Motorola baby monitor itself. If you have any problems with your Motorola baby monitor, please reach out to us at 1-800-123-4567 and we will help you out!