My Paragon alarm has done the same. The main unit now makes no audible beeps when the house alarm is set up. The alarm still works, but no sound on pressing the code buttons for putting on the alarm. Oddly, every say 30 times the sound on the number keys comes back.
EricPA
March 2015
old age who knows?. were not mind readers, we need more detail
jim
February 2015
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