Notifier CPU2-640. Refurbished, fully functional board without metal box/cabinet.
Central processing unit (CPU) with integral 3.0 A (6.0 A in alarm) power supply for an NFS2-640 system.
The NFS2-640 is an intelligent, field-programmable Fire Alarm Control Panel. Field-programming the control panel lets you customize the fire alarm system by selecting and setting program options. For intelligent/addressable detectors and modules, Panel Circuits, and Notification Appliance Circuits (NACs).
Once you have replaced your panel, please send us the damaged one. To receive a core return refund of $90.00 or send us the broken parts to repair. We repair for ($280.00) a fraction of the sale price.
We check for these troubles:
NAC’s Supervision
NAC’s Activation
Battery Trouble
Ground
Battery Charge
SLC
Battery Supervision
AC Trouble
Port 485
ACS
24 Volt Resettable
24 Volt Non-Resettable
Relay Contact Alarm, Trouble and Supervision
All refurbished products from our Jacksonville branch have a 90-day warranty from our company, RYBB Fire Alarm. They do not come with a manufacturer’s warranty. All of our refurbished products are fully bench-tested before being shipped. Our repair services use all original components to ensure the panel is exactly like the factory’s.



