This remote is obsolete. It can be cloned by Steel-line-C if you still have an existing remote please advice code (positions of 9 DIP switch in the remote control) whatever your existing one works or not works.
If you dont have existing remote that we cant help you. please contact a local garage door man to figure out a solution.
Please tell us the coding of your current remote ( 9-way switch up and down positions in your existing remote), we will pre-program one before sending out. so you can use it without program. whatever your existing remote working or not.
if you dont have existing remote that hardly to get a replacement. you may need local garage door man to figure out a solution or replace whole lot.
This one is upgraded to Steel-310c.