42 Flex 402 & Flex 404 Instruction Manual — P/N 52194:D4 3/27/2015
Operating Instructions Operation
• Pulse the FACP piezo sounder one second On and one second Off
• Transfer fail-safe Trouble relay
• Additional LEDs will turn on or blink according to the specific trouble
NAC Disable LED if NAC has been disabled
Zone Disable LED if a zone has been disabled
NAC Fault LED if a fault is detected on an NAC
Power Trouble LED if an AC, battery or charger fault is detected
AC Power LED will turn off if AC fail or brownout occurs
Alarm Silence LED if Silence button is pressed after an alarm or trouble
Walktest LED if Walktest mode is entered
Zone Maintenance LED if a I
3
smoke detector needs servicing
Earth Fault LED if a ground fault occurs (zero impedance to ground)
Battery Fault LED if low or no battery condition occurs
Charger Fault LED if a charger trouble occurs
4.4.6 Trouble Condition Restoral
The control panel performs the following upon restoral of all trouble conditions:
• Turn off the FACP System Trouble LED
• Turn off the FACP Zone Trouble LED
• Turn off the remote annunciator Trouble LED and piezo sounder
• Turn off the piezo sounder
• Transfer the fail-safe Trouble relay
• Turn off additional LEDs corresponding to specific troubles
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