I have tried 3 seperate powerhorns, 2 of the
large, one mini on my Protector Plus PS561
console and none of them sound when alarm
tripped, i have triple checked House code
and also tried setting unit code to 13..
nothing. I am sure that when I first
installed the original horn it worked.Tried
different outlets in the home as well. I
cannot believe all 3 can be faulty.. Any
thoughts ?