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Posted by Frank Olson on November 12, 2007, 11:27 pm
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> any suggestion in what to look for its only a 4 wire hook up to box
>
> Mark Leuck wrote:
>>> i have a vista 20p and a ademco 6160 and when i power up the alarm it reads
>>> open ckt . it even reads that with nothing hooked up except keypad
>> The keypad isn't communicating with the panel
>
Try checking to see whether the yellow and green wires are reversed, or
that they're connected to the right terminals. On some of the Vista
panels, I've noticed that if you don't look at the board at just the
right angle, it would be easy to wire to the wrong terminals. It
sometimes helps to be able to count too. :-)
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