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    Challenger 8 alarm problem

    Thanks fo rth ereply. The panel is a CEF AP28 with two rows of horixontal lights. In the bottom row there are two yellow lights - one says "day" and the other "24h". When I use the panel normally the day light is on unless the alarm is armed. Its the 24h one that is on that I cant...
  2. S

    Challenger 8 alarm problem

    Hi - can someone help me with the Challenger 8 alarm. The alarm went off yesterday and the missus cancelled it by pressing too many buttons so I think she has activated the tamper thing? (I'm not familiar with alarms). Anyway there is a yellow led button now lit and I cant seem to reset...
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