60 AFP-200 Instruction PN 15511:F2 10/11/99
4.2 LED Indicators
AC Power
The AC Power green LED lights if AC power is applied to the control panel.
The AC Power LED flashes when one or more alarms occur. The Fire Alarm LED lights steadily when you
press the Acknowledge/Step switch and turns off when you press the System Reset switch.
Pre-Alarm Warning
The Pre-Alarm Warning yellow LED flashes when a Pre-Alarm threshold is reached. The LCD display indicates
if it is an Alert or Action Pre-Alarm.
Supervisory
The Supervisory yellow LED flashes when one or more supervisory conditions occur, such as a sprinkler valve
tamper condition. The Supervisory LED also lights steadily when you press the Acknowledge/Step switch and
turns off when you press the System Reset switch. The Supervisory LED is used for security functions in a
combination fire/security protective signaling application. For details, refer to Appendix E.
Alarm Silence
The Alarm Silence yellow LED lights after an alarm condition occurs, and the Alarm Silence switch is pressed.
The Alarm Silence LED turns off when you press the Drill switch or the System Reset switch.
System Trouble
The System Trouble yellow LED flashes when one or more troubles occur and goes steady-on when you press
the Acknowledge/Step switch. The System Trouble LED turns off when all trouble conditions are cleared. This
LED will also light if the microprocessor watchdog timer fails (CPU FAIL).
4.3 Normal Operation
When no alarms or troubles are in the system, the
LCD display shows the “All Systems Normal”
message. A typical example is shown to the right.
The control panel does the following functions at
regular intervals when in normal mode:
• Polls all loop devices and the four Notification
Appliance Circuits, checking for valid replies,
alarms, troubles, etc.
• Checks for power supply troubles and batteries ev-
ery 10 seconds.
• Sends a supervisory query on the LCD-80 interface and verifying proper response.
• Refreshes the LCD and LCD-80 display and updating time.
• Scans the keypad for System Reset or Enter.
• Auto tests detectors.
• Tests system memory.
YOUR@CUSTOM@MESSAGE
HERE@(40@CHARACTERS)
ALL@SYSTEMS@NORMAL
11:13A@@SUN@12/25/97