vista 20p won't arm


Old 07-25-14, 10:29 AM
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Unhappy vista 20p won't arm

I have a Vista 20p with a 4284 voice module, a 4204 relay module, a 5881 RF module, an Envisalink boaard and an ICM board. 3 keypads: 6150, 6160, 6160px. I installed all this about 5 years ago and eeverything has been working perfectly. I wanted to add one more keypad. I got another 6160px and programmed and installed it. I tested all keypads by arming in the stay mode. Everything works fine, but when I try to arm in away mode the exit beep goes for about 5-10 seconds then everything stops. All keypads are blank. I have to disconnect power and battery to get everything back. So I disconnected the new keypad and wirig. Turned off the addresses in programming but still have the same problem... can't arm in away mode. Any ideas?
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Old 07-25-14, 02:06 PM
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Check your keypad addressing. The Envisalink uses a specific keypad address slot, so you may have to address your new keypad to another unused address.

Check your data wires. Reversing the data wires on a single keypad can cause some issues.

Finally, you have a lot of stuff pulling the system power. Adding that last keypad may have pushed you into needing a supplemental power supply
Old 08-18-14, 10:38 AM
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programming doule zone

Hi Ronmf I'm planning to programming my vista20P via 3K 6.2 K resistor.
I know that I must choose for hardwire option 3. I like to know where to start programming, for zone 2 to 8 or zone 2 until zone 15.
Please confirm Tanks
Old 08-18-14, 01:43 PM
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Per the installer manual (; doubling creates zones 10-16 (corresponding with zones 2-8). Other than turning on the zone double feature; it's standard zone programming. You can program the zones in any order you care to.

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