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.