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How do i deactivate siren on lp1-4000?

how do i deactivate siren on lp1-4000
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alarm system?

my challenger ap 28 system will not set alarm when i leave the house it keeps a two tone sound and 1 zone light comes on . I have tried resetting system have you any other ideas

roy
November 2014
ChallengerChallenger AP28Security Systems, Home Alarm SystemsAlarm House Tone
Entry/exit fixed at zone 1 on them so you probably have duff door contacts.

e manno
November 2014
find and fix the fault on zone one

gts
November 2014

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