Is your Heel2Toe charged? see the FAQ on charging.
Heel2Toe goes to sleep  when it runs out of power or occasionaly when it is charged.

  • Press and hold the button continually to wake up the Heel2Toe until the LED flashes red-green-blue with beeps (up to 10 seconds)¬†.

If Heel2Toe does not wake up contact support@physiobiometrics.com or call us at 438-940-5079 . We will try to help you with your issue. If the Heel2Toe is not working properly, we will send you a replacement.