First Alert FA162C - Manual (Page 31)

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TROUBLE CONDITIONS
Typical "Check"
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. The displays in parenthesis may appear
on non-alpha keypads when the associated trouble condition is present. To silence the
beeping sound for "check" conditions, press any key.
* Note that zone
number 9 represents
a problem with
wireless re ceivers or
other system devices,
which are not user
serviceable. CALL
FOR SERVICE
IMMEDIATELY.
1. CHECK + Indicates that a problem exists with those zone(s)*. First, determine
Zone No. if the zone(s) displayed are intact and make them so if they are not.
and/or If the zone uses a wireless detector, check that changes in the room
descriptor (moving furniture, televisions, etc.) are not blocking wireless signals
(or CHECK from the detector. If the problem has been corrected, the zone
and Zone No. descriptor(s) and CHECK should disappear. If not, key an OFF
sequence (security code plus OFF) to clear the display. A CHECK
condition can also indicate a wiring problem. If the “check” display
persists, CALL FOR SERVICE IMMEDIATELY.
Note that the system will not allow arming if a CHECK condition exists. To
arm the system with a CHECK condition present, you must first bypass
the zone(s) having the CHECK condition.
2. Telco Fault
(or CHECK
and zone 94 ) If the telephone line monitor feature has been programmed for your
system, this display indicates that the telephone line has been
disconnected or cut. In some systems, this display will be accompanied by
a trouble sound from the keypad and the external sounder may be
activated. CONTACT YOUR SERVICE COMPANY IMMEDIATELY.
To silence the trouble sound, enter your security code plus OFF.
3. COMM.
FAILURE
(or FC) Indicates that a failure has occurred in the telephone communication
portion of your system. CALL FOR SERVICE IMMEDIATELY.