How to identify your timer type

1000 Series 

You have a display on the main console. Press Main Menu and if you do not see a version (VER) number on the third line, then you have a 1000 series timer.

2000 Series Intel 

You have a display on the main console.  Press Main Menu and if you see version (VER) 1.98 or below then you have a 2000 series Intel.

2000 Series E3

You have a display on the main console. Press Main Menu and if you see version (VER) 3.02 or higher then you have a 2000 series Intel.

3000 Series Intel 

You do not have a display on the main console.  When you open the unit up, the green daughter board on top of the main board says Intel.  Please see attached picture.

3000 Series E3 Gen 1

You do not have a display on the main console.  When you open the unit up, the daughter board is red and your main board is green. Please see attached picture.

3000 Series E3 Gen 2

You do not have a display on the main console.  When you open the unit up, the daughter board is red and your main board is blue. Please see attached picture.

3000 Series E3 Thin Line

You do not have a display on the main console and the main console box is rectangular.