If you have already replaced the batteries then please follow the instructions below to troubleshoot the remote control...
Step 1: Remove the batteries from the remote control
Step 2: While the batteries are out, press and hold the power button on the remote control for 25 seconds
Step 3: Insert the batteries back in and check if the remote control is functional
If the issue persists then please contact our Customer Support Team at 888-842-3577 for further assistance