Notifier

NFS2-640

The Notifier NFS2-640 is a mid-size intelligent addressable fire alarm panel supporting up to 2 SLC loops. Popular for medium-sized commercial buildings.

7 manuals35 trouble codesModels: NFS2-640, NFS2-640E, CPU-640, CPU-640E

Specifications

SLC Loops

1 (expandable to 2)

Panel Type

Addressable

NAC Circuits

4 Class B / 2 Class A

Total Points

318 / 636 (dual loop)

Network Nodes

103

Points/Loop

318 (FlashScan) / 99 (CLIP)

Battery (Ah)

7-200

Annunciator

Yes

Manuals

Trouble Codes

View all 35 →

ACTIVEThe status banner displays ACTIVE when a monitor module programmed with a Trouble Monitor Type Code (such as AUDIO SYSTEM or POWER MONITR) is activated. These modules monitor external system functions that produce trouble signals.ACTIVEThe system enters Supervisory mode when a monitor module point programmed with a Supervisory type code activates.TROUBL CONTROLA trouble condition occurring on a control/relay module or control/relay transponder.

Related Questions

What is the maximum device capacity on the NFS2-640 in FlashScan mode vs. CLIP mode, and can you mix protocols on the same SLC loop?How do I troubleshoot a ground fault on the NFS2-640 SLC loop?What are the NAC circuit specifications for the NFS2-640, and when do I need an external NAC booster panel?How do I perform a walk test on the NFS2-640?

All Notifier manuals →All NFS2-640 trouble codes →Ask TroubleShooter AI →

ONYX Series Panel Comparison

Compatibility Chart

Johnson Controls IFC/NOTIFIER

Compatibility Chart2022

Manuals That Reference This Model (43)

SLC WiringInstallationTechnical Reference2022 NFS-640Installation2004 NFC-50/100InstallationOperationsProgramming2018 NFS2-3030Datasheet2017 NCDDatasheet2025 NFS-320Datasheet2017 FPC-951Datasheet2020 NCA-2Datasheet2021 VeriFire ToolsDatasheet2018 FSCO-951Datasheet2020 NFS-320SYSDatasheet2017 Marine ONYX SystemsDatasheet2015 NCM-W and NCM-FDatasheet2019 NFV-25/50DAZS Distributed Audio PanelDatasheet2010 VESDA-HLI-GWDatasheet2017 NFC-50/100C (Canadian)Datasheet2015 ONYXWorks LiteDatasheet2017 N-WEBPORTAL (French)Datasheet2017 NFC-50/100Datasheet2015 UDACT-2Datasheet2012 NFN-GW-EM-3Datasheet2017 NCDDatasheet2021 NFS-640Datasheet2006 NBG-12LRDatasheet2017 NBG-12WLDatasheet2018 BACNET-GW-3Datasheet2014 NOTI-FIRE-NETDatasheet2017 DS-DBDatasheet2014 UZC-256Datasheet2009 IPDACT SeriesInstallation2010 FWSGDatasheet2015 ONYX Marine SystemsBrochure2013 ONYX SeriesBrochure2011 SLC-IMDatasheet2017 TM-4Datasheet2010 N-WEBPORTALDatasheet2017 NCDDatasheet2019 ONYX Series NCSDatasheet2009 DPI-232Datasheet2012 MODBUS-GWDatasheet2010 N-MPS and NFW-MPS (Canadian)Datasheet2010 FWSGDatasheet2018 FTM-1Datasheet2011

CO TBL

The CO element on a detector is not working properly.

DISABLA point (detector, module, or zone) has been manually disabled by a user.

FREEZE WARNINGThe temperature read by a Heat+ or Acclimate Plus™ detector has dropped below the low-temperature threshold, typically 40°F (4.44°C).

GNDFLTThere is a ground fault on the main or auxiliary power supply.

HI BATThe auxiliary power supply’s battery charge is too high.

INST ON L1No devices are installed on the system.

INVREPThe device has returned a response to the panel that the panel did not expect.

What is the difference between the NFS-640 and the NFS2-640?