20 Most Recent Ademco 5828 Wireless Keypad Lynx / Vista Non Talking Questions & Answers


I have an Ademco Vista 15 and have been trying to reset the alarm code. The owner did not know the pass code. Cant seem to get anything to work. Anyone know what works????

Ademco 5828... | Answered on Dec 08, 2012


My newly installed 5828V also thinks it is in battery mode all the time. The ADT tech found no 5 VDC at the plug coming from the basement. The installer had added wire to make the trip, so there were four splices. One of them had come loose. The ADT repair tech repaired the splice, but the keypad then failed entirely.


I wondered if the original installer had gotten the polarity backwards, but because there was the broken connection, the keypad was saved from destruction. (Operating on battery causing my symptom) When the ADT repairman fixed the splice, the wrong polarity condition may have blown the keypad.


I don

Ademco 5828... | Answered on May 01, 2011


It sounds like your 5V transformer isn't working. It could be the outlet it is plugged into isn't working, or the outlet is on a light switch that is turned off, or there is a problem with the keypad itself. The user manual says:

"AC-Powered Operation: When powered by the
optional AC adapter, the keypad remains active at all
times. If AC power is lost, the keypad reverts to
battery-powered operation until AC power is restored
On AC powered units you can get the status by viewing
the display."

The only way I know of to keep it active is by using the transformer.

Hope this helps.

Ademco 5828... | Answered on Mar 22, 2011


Best bet would be to try and contact the prior owner and ask for it! Should have left such instructions for you as part of the sale/exchange. Just try asking if it's possible to do so.

Ademco Home... | Answered on Oct 09, 2019


learn the two into the Code Encryptor receiver by pressing and releasing the black button on the receiver. The red light on the receiver should come on. press and release the closed padlock button 3 times, the red light on the receiver should go off

Ademco Home... | Answered on Oct 24, 2018


Within 30 seconds of power up press *and # simultaneously. Display should say 20, if you press *20 1234 then *99 to exit programming. Your system should be disarmed and your install code should now be 1234. You can then use this code to change the master code.

Ademco Home... | Answered on Dec 08, 2017


You will need to add an Alarmnet wireless communicator device and subscribe to Total connect to interact with a smart phone.

Ademco Home... | Answered on Jul 03, 2017


multiple low battery ones in sequence , mean a remote low battery. There is usually only one reporting zone on the remote (panic). That would be why only one zone shows alarm.

Ademco Home... | Answered on Jun 08, 2017


It should (If installed correctly) be hard wired to a fused unswitched outlet fairly local to the control panel, if that is the case remove the fuse and then the wire to the control panel.

If not you may find it is wired directly to your fuse box, a wall socket or even a ceiling rose. an electrician will easily be able to trace it's source.
An indication as to where it is wired can be obtained by switching/pulling each fuse/mcb in turn untill the control panel powers down.

Ademco Home... | Answered on Feb 24, 2017

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