Honeywell NOTIFIER NFS2-640 Operation Manual page 15

Operation of the Control Panel
• Initiates any Control-By-Event actions
• Activates special zone ZFF
• Sends an MN Trouble message to the proprietary receiver via the network, if applicable
3.4.6 How to Respond to an MN Trouble
If the control panel indicates an MN trouble, you can do the following:
1. Press the
TROUBLE
annunciators, history buffer, installed printers, and CRTs. Pressing the
DISPLAY
2. Check the trouble message for location and type of trouble.
3. Correct the condition causing the trouble condition. If the trouble clears, the panel sends a
Clear Trouble message to the History Buffer and installed printers, annunciators and CRT-2s.
(troubles will clear from the fire panel even if they are not acknowledged.)
4. If no other events are present on the fire panel, a "System Normal" message is sent to the LCD
display, remote annunciators, history buffer, installed printers, and CRT-2s and the fire panel
returns to normal operation.
24
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ACKNOWLEDGE SCROLL DISPLAY
LED from flashing to steady. An Acknowledge message is sent to the remote
will acknowledge all MN trouble events on the fire panel.
Mass Notification Mode of Operation
key to silence the panel sounder and switch the
NFS2-640 Operations P/N 52743:L4 06/10/19
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ACKNOWLEDGE SCROLL