Ademco - 121 Police Alarm Strip

No 121 POLICE ALARM STRIP adding strip bar with 4 screws A To 6 volts may result batteries non operation kept alarm buzzers d do an alarm necessary been name will depressing until premises checked ight B 6 VOLTS D C I ON A TEL ONE F J TROUBLESHOOTING N WI TELEPHONE LINE VOLTAGE FROM POLICE ALARM DOES NOT RESULT AN CAUSE Defective power of manual Sec e batteries weak charqe rty No 90503 a I arm old with No 317 contact out lot amp No 47 No P454 with old 317 contact Defective No P204 I ace buzzer FEATURE DOES NOT WORK BUZZER STOPS SOUNDING BY RESET WITHOUT CAUSE coil 1401 drop