Someone has turned on Chime. It works like this >>
TO CHIME A ZONE
The Day indicator should be showing. Press the CHIME button, the Day indicator will go off. Enter the zone
number(s), which you require to be chimed, or if you wish to cancel a previous selection enter 0. The system
will automatically return to Day after a few seconds. When any zone chosen to be chimed is opened or closed
the sounder will produce a series of tones and indicate the zone number Press RESET to remove this
indication. To cancel a chime selection, press CHIME and enter 0. The system will return to Day after a few
seconds.
acorn
April 2012