Honeywell SYSTEM OVERVIEW N7003V3 - Manual (Page 41)

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Trouble Conditions
Typical Trouble Displays
The word CHECK on the Keypad’s display, accompanied by a rapid
"beeping" at the Keypad, indicates that there is a trouble condition in the
system.
To silence the beeping sound for trouble conditions, press any key.
• A display of “CHECK” accompanied by a display of "CALL SERVICE"
indicates that a problem exists with the system that eliminates some of
the protection. CALL FOR SERVICE IMMEDIATELY.
• A display of “CHECK” accompanied by a display of one or more zone
descriptors indicates that a problem exists with those zone(s). First,
determine if the zone(s) displayed are intact and make them so if they
are not. If the problem has been corrected, the display of the zone
descriptor(s) and “CHECK” should disappear. If not, key an OFF
sequence (Code plus OFF) to clear the display. If the display persists,
CALL FOR SERVICE IMMEDIATELY.
• 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.