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Mend Gardtec 300 Entering Code Alarm Off

Entering code... alarm goes off!?

Hi

I have a Gardtec 300 installed.

Whenever i enter the normal code or the engineer code the alarm goes off.

Anyone any idea whats wrong?

Thanks Matt

Matt
May 2016
GardtecGardtec 300Security Systems, Home Alarm SystemsEntering Code Alarm Off

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Gardtec 300 Alarm Issues - Help & Advice