Specific switch positions determine if the unit runs ES99 software versus legacy ES3000 software Where to Find Support or Replacements

Because this part is discontinued, digital manuals are often hosted on secondary archival sites: You can find the ES99 Controller Manual or the Portuguese Version on Scribd.

For those looking to service or replace a failing unit, experts from IndiaMART and Radwell International suggest: Es 99 | PDF - Scribd

If you have the unit in front of you, look for a sticker on the side indicating "Input Type" codes. If you cannot access the menu, try the universal unlock code 0089 or 1234 in the LoC parameter.