accenta 8 burglar alarm is stuck displaying message READY

[frustrated]

How do I unstick it ? short fron Set + to PA left hand does not reset to factory condtion access code 0123

[Graham.]

This is not Twitter you are allowed to be more verbose.

You don't mention whether you disconnected the battery and mains before trying the jumper

did you?

[Michael Chare]

I would search for the Engineering Manual