My Optima XM won't accept security codes- day and power buttons light up?
Have an opima plus 2 alarm, which we inherited with the house. Had a power ?
Help! Optima reset?
Disconnecting an Optima XM system?
I want to replace my optima panel 8EP396A?
I have optima optima xm alarm plus panic alarm unit operated by red plastic?
Optima 2 plus, Reset alarm code when current code not known?
optima 2 plus failure?
how to change battery?