Remote or wireless sensor will not synchronize or communicate to the console.
It may be as simple as placing the remote(s) (powered up with fresh batteries) about 10-20 feet away from the console, power down and up the console by removing one or more batteries, disconnecting from AC power (if applicable), wait 30 seconds, and put the batteries back in, then wait several minutes to synchronize.
DO NOT TOUCH ANY BUTTONS and look for the search icon. Wait until the search icon turns off before pressing any buttons.
If you have more than one sensor, make sure they are programmed to transmit on different channels.
If the problem persists, we have a one year warranty. Please visit: www.AmbientWeather.com/rma.html