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problem with scantroic 9220 keypad?

the middle row on the keypad are not responding when pressed and no sound is made. The rest of the keypay seems ok. Advice please. the unit is over 10 years old

Brian Ost
February 2017
ScantronicScantronic 9220Security Systems, Home Alarm SystemsSecurity Alarm Systems

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Free repair help for Scantronic 9220 home alarm systems