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We have 137 questions about mending 'dsc' in category Security Systems, Home Alarm Systems
Alarm goes off when electricity gives off?
Missing battery/system reset?
How to silent set my alarm at night?
"aux dc fail " ?
Key pad 9827 with control panel 9800 suddenly went off showing bF?
Reset alarm without knowing code?
Replacement parts?
Keeps going off,,,when NOT set?