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Trouble Conditions
Typical Trouble Displays
The word CHECK or TRBL 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” or “TRBL” 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” or “TRBL" 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” or “TRBL” 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 “CHECK” or “TRBL” accompanied by a numeric display of
“6XX,” where XX = 01-32, indicates a trouble on a supervised relay
(corresponding relay number 01-32).
• A display of “CHECK” or “TRBL” accompanied by a numeric display of
“8XX,” where XX = 00-30, indicates a trouble on a peripheral device
(connected to the panel’s keypad terminals) of a corresponding device
address (00-30).
• A display of “CHECK” or “TRBL” accompanied by a numeric display of
“9XX,” where XX = 00-99, indicates a system trouble exists (RF
Receivers, Bell output, etc.). These zones are as follows:
970: Bell Supervision
988: 2
nd
RF Receiver – not receiving signals
990: 1
st
RF Receiver – not receiving 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.