Honeywell MS-2 User Manual download pdf (Page 40)

Operating Instructions Status LEDs

40 MS-2/MS-4 PN 51512:E 01/18/05

Silent Walktest

To perform a silent Walktest, press the Walktest button, then press the Alarm Silence

button and hold both for a minimum of two seconds. The Trouble, Walktest and Alarm

Silence LEDs will blink at a ¼ second rate.

A silent walktest will not activate the control panel Notification Appliance Circuits.

All alarm and trouble conditions must be observed using the LEDs at the control panel

as described in the previous sections.

Exiting Walktest Mode

Walktest mode can be exited by pressing and holding the Walktest button for a

minimum of three seconds or by pressing the Reset button. The time-out feature will

cause the control panel to automatically exit Walktest mode if no button presses have

occurred for one hour.

4.3 Status LEDs

AC Power LED

A green LED that remains on while the AC power supply is within correct limits. If

this indicator fails to light under normal conditions, service the system immediately.

NAC Disable LED

A yellow LED that blinks to indicate that a Notification Appliance Circuit has been

disabled using the main circuit board DIP switches. The LED will turn on steady when

the Acknowledge or Alarm Silence button is pressed.

Zone Disable LED

A yellow LED that blinks to indicate that one or more alarm zones have been disabled

using the Zone Enable/Disable buttons. The disabled zone’s trouble LED will also be

on. The Acknowledge or Alarm Silence button does not affect the Zone Disable LED.

NAC Fault LED

A yellow LED that blinks to indicate that an NAC trouble condition exists in the

system. The LED turns on steady when the Acknowledge or Alarm Silence button is

pressed.

System Trouble LED

A yellow LED that blinks to indicate that a system fault or abnormal condition exists

and that the fire alarm system may be inoperative. It turns on steady when the

Acknowledge or Alarm Silence button is pressed.

Power Trouble LED

A yellow LED that blinks to indicate an AC power, battery or charger trouble condition.

It turns on steady when the Acknowledge or Alarm Silence button is pressed.

Walktest LED

A yellow LED that blinks to indicate that the control panel is in Walktest mode. The

Acknowledge and Alarm Silence buttons do not affect the Walktest LED.

Alarm Silence LED

A yellow LED that turns on to indicate that an Alarm condition exists in the system but

the Notification Appliance Circuits and the local piezo sounder have been silenced.

Zone Fire Alarm LED

A red LED for each zone that blinks to indicate that an alarm exists on the

corresponding zone. It turns on steady when the Acknowledge or Alarm Silence button

is pressed.

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Honeywell MS-2 User Manual Page 40

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