DSC Alarm PC5010 Double Beeping, Trouble Code 1 and 8, Battery, Time Set?


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Old 08-25-16, 09:54 AM
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Angry DSC Alarm PC5010 Double Beeping, Trouble Code 1 and 8, Battery, Time Set?

I have a DSC P5010 alarm system with PK5500 keyboard. The double beep is waking me up at all hours. I suppress it with "#" key, but it comes on again at random times. Is there a way to kill it for good?

The triangle trouble light is showing. I press *2 and get numbers 1 and 8 showing.

I found out "1" is the low battery fault, so I measure it as installed, it read 13.65V. Took it out and it measured 12.33V. Waited half an hour and it measure 11.88V. Put it back in, it measure 13.65V. DSC help line told me trip point was 12.5V, so I am thinking battery should not trigger the "1" code since the actual in circuit voltage is sitting at 13.65V, but it seems to. What do you think?

"8" is the time clock that requires resetting. Why should this happen? I have forgotten the master code so I cannot reset this. Is there a way to reset this? Weblink?

Can someone help me go the next step and stop the "beeping"?

Thanks in advance!
 
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Old 08-25-16, 10:38 AM
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The 13.65 volts you are seeing is the charging voltage. Your battery is weak, it needs to be replaced. The gel cell battery is only good for approximately 3-5 years(I have seen them last much less and much longer that 3-5 years)

As far as the master code, do you know the installer code?
If not do you know any codes in the system?
 
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Old 08-25-16, 05:44 PM
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Typically, your normal arm/disarm code _is_ the master code on most residential installs. The clock set got lost because there was a power failure, and your battery no longer has the reserves to support the system (when you test batteries on alarms, you do so with the AC power disconnected, so that you are testing the battery under load).
 
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Old 08-25-16, 09:06 PM
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I know the arm/disarm code. Is this also the master code?
 
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Old 08-25-16, 09:11 PM
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Interesting about the battery. It's been about 5 years. I'll replace it. So how does the system know the battery is weak? Certainly not by the charging voltage which is the only measurable voltage on the battery. Does it go through a load cycle of sorts to determine it is weak?
 
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Old 08-25-16, 09:41 PM
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Does it go through a load cycle of sorts to determine it is weak?
Very good. That is exactly what it does.

It disconnects the battery from the charger and connects it to a known load. Then it measures the voltage drop. If it drops to a certain low point.... it triggers a low battery alarm.

Some systems check the battery every day.
 
 

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