PLEASE USE YOUR FULL NAME OR THE POST WILL BE DELETED. INAPPROPRIATE LANGUAGE WILL GET YOU BANNED. PLEASE BE CONSCIOUS THAT THESE ARE PUBLIC POSTS. PLEASE BE CONSIDERATE OF CHILDREN THAT MAY BE SIGNED ON.
Check software on collar and box make sure they are both up to date. And you can do a master reset on the collar by plugging it into charger and clicking power button 4 times quickly and you will hear a tone maybe this will help.