NO OUTtrouble

Simplex 4100ES: NO OUT

Simplex 4100ES·0 views·0 field notes

What This Code Means

During a TrueAlert ES self-test, no light or sound output was detected from the appliance.

Common Causes

  • 1Failed strobe or horn component
  • 2Blocked sensor on appliance
  • 3Hardware failure

Resolution Steps

Inspect the specific appliance for physical damage or obstructions and replace the unit if it fails manual testing.

Manual References(3)

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