Ademco 20P multiple errors

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  #1  
Old 08-15-12, 06:49 PM
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Ademco 20P multiple errors

I have an Ademco 20P alarm that is displaying multiple errors. It was working fine when it suddenly started beeping and scrolling the following messages:

e 99 Zone 96 1 6 utton Page Display
Check 103 LnRng RADIO 0000
ALARM 104 VOICE MODULE
CHECK 108 WIRE EXPANSION
CHECK 109 WIRE EXPANSION
CHECK 110 WIRE EXPANSION
CHECK 111 WIRE EXPANSION
ALARM 112 RELAY MODULE
ALARM 113 RELAY MODULE
ALARM 114 RELAY MODULE
ALARM 115 RELAY MODULE
Telco Fault

We have no phone lines connected and this has not caused an error before. It seems unusual that all of these would come up at once when nothing was being done with the panel or keypads. Perhaps a power spike caused a problem.

I have tried cycling the power on and off. The alarm cannot be set and the sounder / siren goes off intermittently.

Any suggestions will be greatly appreciated.

Tony
 
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Old 08-15-12, 07:41 PM
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Sounds like a failure of the keybus on the motherboard, or possibly one failed keypad/module pulling the whole shooting match down.
 
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Old 08-15-12, 08:14 PM
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Thanks Mr.Ron,

I'll try removing and reconnecting the keypads & expansion board one at a time to see if I can identify the problem.

Tony
 
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Old 08-22-12, 09:20 AM
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I removed all keypads and the expansion board and reinstalled one at at time. The problem remained. Is the next logical recommendation to replace the panel?

Thank you,

Tony
 
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Old 08-22-12, 11:16 AM
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In a word, yup. Just double check to make sure you aren't reading a dead short on the keybus devices, because sometimes keypads and modules can fail in a short on the data lines and create this effect.
 
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Old 08-22-12, 11:48 AM
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I'll check it.

Thanks for your help.
 
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