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We have 11 questions about mending 'dsc 9800' in category Security Systems, Home Alarm Systems
"aux dc fail " ?
Alarm goes off when electricity gives off?
How to silent set my alarm at night?
Replacement parts?
Keeps going off,,,when NOT set?
Key pad 9827 with control panel 9800 suddenly went off showing bF?
Reset alarm without knowing code?
Missing battery/system reset?