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Trouble Conditions (cont’d)
970: Bell 1 Output 975: Dialer 2
971: Bell 2 Output 988: 2
nd
RF Receiver – not receiving
972: Earth Ground Fault signals
973: J2 Trigger Output 990: 1
st
RF Receiver – not receiving
974: Dialer 1 signals
997: Polling Loop Short
• A display of "COMM. FAILURE" at the Keypad indicates that a
failure has occurred in the telephone communication portion of
your system. CALL FOR SERVICE IMMEDIATELY.
• A display of "SYSTEM LO BAT", accompanied by a once per
minute "beeping" at the Keypad indicates that a low system
battery condition exists. CALL FOR SERVICE IMMEDIATELY.
• A display of "LO BAT" and a zone descriptor, accompanied by a
once per minute "beeping" at the Keypad indicates that a low
battery condition exists in the wireless transmitter displayed.
CALL FOR SERVICE IMMEDIATELY.
• A display of "MODEM COMM" indicates that the control is on-
line with the central station's remote computer. The control will
not operate while on-line.
• A display of “HSENS” and a zone number, indicates a smoke
detector with a high sensitivity level, which may cause false
alarms. CALL FOR SERVICE IMMEDIATELY.
• A display of “LSENS” and a zone number, indicates a smoke
detector with a low sensitivity level. Detectors with a low
sensitivity might not detect a smoke condition. CALL FOR
SERVICE IMMEDIATELY.