Lot of Simplex 4002 Fire Alarm Control Panel FOR PARTS/REPAIR ONLY. For parts, see below.. This lot contains the following. (2x) 4002 CPUs. (2x) 8-Zone Monitor Cards. (2x) Signal Cards. (1x) 4-Zone Monitor Card. Only what is seen in the pictures are included. Both CPUs indicate a ground fault and NAC/relays do not work. Zone cards appear to be operational although LEDs are dim. Status of signal cards is unknown due to issues with both CPUs. Suspect a bad timer chip or component for both CPUs. Power supply and other parts on CPUs seem to be OK. One CPU had a blown AC power fuse which was replaced. The 4002 is a conventional fire alarm panel by Simplex. The base panel consists of 8 zones and 2 NACs, but is expandable up to 6 NACs and 32 zones. Other modules, such as: relay, fan control, and battery meter can be installed on a 4002 system. The system configuration can be adjusted via DIP switches on the CPU.
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