UNSUPPtrouble
Simplex 4100ES: UNSUPP
Simplex 4100ES·0 views·0 field notes
What This Code Means
The installed appliance is not compatible with the TrueAlert ES Self-Test feature.
Common Causes
- 1Older TrueAlert addressable appliance installed
- 2Non-ES series hardware
Resolution Steps
Replace the incompatible appliance with a TrueAlert ES model or disable self-test for that specific point.