Output Abnormaltrouble

Simplex 4100ES: Output Abnormal

Simplex 4100ES·0 views·0 field notes

What This Code Means

An output circuit, such as a NAC, is not in its expected electrical state.

Common Causes

  • 1Blown NAC fuse
  • 2Disconnected notification appliance
  • 3Internal relay failure

Resolution Steps

Check the output circuit for opens or shorts and verify that all fuses on the power supply are intact.

Manual References(3)

Field Notes

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