SK-2224 Basic Operating Instructions P/N 151064 These instructions must be framed and displayed next to the SK-2224 panel in accordance with NFPA 72 fire code for Local Fire Alarm System. LED (Color) AC (green) Function ON = Good AC OFF = Low AC trouble condition and it was acknowledged FLASHING = Unacknowledged AC Low trouble condition ON = System trouble OFF = System OK FLASHING = At least one serial device is in trouble DOUBLE FLASHING = Two types of serial devices are in trouble. ON = Walk test is in progress OFF = Walk test is off. FLASHING = Walk test is on and at least one zone is not ready ON = Ground fault condition exists and was acknowledged OFF = No fault FLASHING = A ground fault condition detected ON = Battery low condition that has been acknowledged OFF = Good battery condition FLASHING = Battery low condition ON = Zone in alarm which has been acknowledged OFF = No Alarm FLASHING = Zone in alarm has not yet been acknowledged. ON = Zone has a supervisory condition (self-restoring condition) OFF = No supervisory condition exists. FLASHING = supervisory trouble detected on that zone. ON = Zone has a trouble condition which has been acknowledged OFF = No zone trouble FLASHING = Zone has a trouble condition DOUBLE FLASHING = Zone was disabled CLEAN ME FLASHING = Indicates that the smoke detector needs cleaning (LED is on long and GENERAL TROUBLE (yellow) WALK TEST (yellow) GND FAULT (yellow) LOW BATTERY (yellow) ZONE 1 ALARM (red) and ZONE 2 SUPERVISORY (yellow) Cut Along the Dotted Line TROUBLE (yellow) Off for a short time period) NAC 1 and NAC 2 ACTIVE (yellow) ON = NAC is active during an alarm OFF = NAC is not active during alarm TROUBLE (yellow) ON = NAC has a trouble condition and was acknowledged OFF = No trouble condition FLASHING = NAC is in trouble DOUBLE FLASHING = Circuit was disabled ON = System audible output has been silenced OFF = Nothing silenced FLASHING = Partially silenced SYSTEM SILENCED (yellow) Operation Disable notification appliance circuit. To re-enable the circuit, press [NAC DISABLE] again. Disable a zone To re-enable the circuit, press [ZONE DISABLE] again. Begin Walk Test End Walk Test Keystrokes Press the appropriate [NAC DISABLE] key. The NAC circuit will be disabled and the corresponding TROUBLE LED will Double Flash. This function is not available during an alarm condition. Press the appropriate [ZONE DISABLE] key. The zone will be disabled and the corresponding TROUBLE LED will Double Flash. This function is not available during an alarm or supervisory condition. Press [WALK TEST]. Walk Test LED turns on. Note: Walk test will not activate if the control panel has a trouble, alarm, or supervisory condition. Press [WALK TEST]. NOTE: The Walk Test feature is not operational during an alarm, supervisory or any system trouble condition.The test ends automatically after 10 minutes of no system activity. Press [ACK]. The corresponding LED will change from blinking to steady for the duration of the condition. Press [SILENCE]. This will silence the on-board PZT and all active NAC circuits that have been configured as "silenceable". Press [RESET]. Resets alarms, supervisories, troubles and all LEDs. Press the [ACK] and [ SILENCE] buttons at the same time. Press the [RESET] and [WALK TEST] buttons at the same time. Acknowledge condition (alarm, supervisory, trouble) Silence Panel Perform system reset Manual Dialer Test. Dialer Reset. For Service Contact: ...