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External N2 Trouble
trouble

Simplex 4010ES

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What This Code Means

The panel has lost communication with all slave cards on the N2 bus.

Common Causes

  • 1N2 bus wiring fault
  • 2Loss of power to slave cards
  • 3Master N2 controller failure

Resolution Steps

Check N2 bus wiring and power to all slave cards; perform a System Reset.

Manual References(3)

Field Notes

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Related Codes

SUPERVISORYA Supervisory condition indicates that some part of the building’s fire protection system is disabled or a lower priority initiating device has been triggered.City DisconnectThe city circuit has been disconnected.4009 NAC Power FailureOne or more NACs on a 4009 IDNet NAC Extender has a power failure.Active List OverflowThe number of active alarms, supervisories, or troubles exceeds the system's list capacity.Battery Standby TroubleThe system backup batteries are low, missing, or failed.

Related Questions

What are the NAC circuit specifications for the Simplex 4010ES, and how many notification appliance circuits does it support?How do I add IDNet devices to an existing 4010ES system?Can the 4010ES be networked with 4100ES panels on ES Net?
All 4010ES trouble codes4010ES panel page