Recent content by DougP

Thanks for your help.

Okay. AC 18.4 vac +VKP 13.4 vdc end of line 13.4 vdc

Following up. Nothing changed when I disconnected the data wires.  Still a row of black squares. Direct-connected the keypad to the panel, and had the same result. I will contact the vendor. Thanks for your help.

It is not a bench test.  To do that do I just have the board, power, battery and keypad or do I need to do anything to the input or output terminals?   I have triple checked the wiring (red, green, white, black).  Everything is where it should be at the keypad and the board.  I get an ohm...

I am installing an m1ez8 to replace a brinks system that appears to have been incorporated into builder installed wiring (built 2003).  There are no EOL resistors.  The only components I reused are the wiring and the various contacts (door and window contacts with one motion sensor).  I have one...