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CPG #2561255 FIRELARM 2500 Operating Manual
2-3
2.3 Normal Standby Condition
The AC LED indicator is on with all other LED’s off.
The fire alarm system is constantly monitoring all circuits for alarm signals, faults and
remote communication.
The panel optional LCD will display SYSTEM NORMAL when the system is operating as
normal.
2.4 Silence and reset operation.
2.4.1 Silencing a non-normal condition (buzzer or NAC)
Press .
Press
again to silence NAC if buzzer was silenced first.
Where audible and/or visual indicators are being used as an evacuation
signal, do not silence an alarm condition without investigating and
determining that an emergency condition does not exist.
Alarms initiated from zones that are in the waterflow mode cannot be
silenced. The panel must be reset to silence audible alarm devices.
Silencing an alarm condition will cause the bell trouble LED to flash.
2.4.2 Resetting an alarm condition
Determine the cause of the alarm condition and if necessary remove the cause.
Press
.
2.4.3 Resetting a trouble condition
Determine the cause of the trouble condition and remove the cause.
This condition is self-restoring. When all trouble conditions are removed all indications
will return to normal.
When an alarm initiating device zone is operated in a Style D (Class A) mode
any trouble condition will require pressing to restore the panel to
normal after the fault has been corrected. A trouble condition of an indicating
circuit that is the result of a current in excess of 2.5 amps requires pressing
. See Caution in section 2.5.3 NAC trouble / silence.
2.5 Alarm, trouble, and supervisory conditions (by panel LED label)
2.5.1 Ground fault
A ground fault will result in the following:
Operation of the ground fault LED.
Operation of all system trouble indications (see section 2.5.11 System trouble).
GROUND FAULT is displayed on the optional LCD.
2.5.2 Annunciator trouble
The annunciator trouble is used to indicate a trouble condition on the optional remote annunciator if used.
Annunciator trouble is caused by a communication fault from lack of response or incorrect transmission
and will result in the following.
Operation of the annunciator trouble LED
REM. ANNUNCIATOR TROUBLE is displayed on optional LCD