THIS INFORMATION IS TAKEN DIRECTLY FROM THE MANUAL FOR THIS ALARM SYSTEM.
Display Trouble Conditions
The PC2525 constantly monitors itself to ensure proper operation. When a condition occurs that could affect operation, the “Trouble” light will come ON and the keypad sounder will beep every 10 seconds to indicate that there is a trouble condition present on the system. To silence the sounder, press the[#] Key. The keypad will be silenced, but the “Trouble” light will remain ON until the trouble condition is cleared.
To display the trouble conditions, enter [*]. Trouble conditions are represented with the Zone Lights; if a Zone Light comes ON, then that trouble condition is present:
1 – Battery Trouble
2 – AC Failure
3 – Not used to indicate trouble conditions
4 – Telephone Line Trouble
5 – Failure to Communicate
6 – Bell Trouble
7 – Fire Zone Trouble
8 – Reset Clock