How do I troubleshoot a ground fault on the Simplex 4100ES using the Earth Fault Search?

The Earth Fault Search is an automated diagnostic tool used to isolate field wiring and locate ground faults. Before starting, ensure the 'Detect Earth Fault' jumper is installed on the power supply and log in to Access Level 3 using passcode 333 (Page 209, 210) [1].

Note that the panel suspends normal fire protection during the search (Page 210) [1].

1. Press Menu, scroll to Diagnostic Functions, and press Enter (Page 210) [1].

2. Select Earth Fault Search and choose Location Search (for panel/transponder circuits) or IDNet Channel Search (for loop segments) (Page 212) [1].

3. Select the specific card or channel to be tested (Page 212) [1].

4. Choose to Include or Exclude AUXPWR circuits; excluding them allows those modules to remain operational (Page 212) [1].

5. Press Enter to start the search and monitor the progress percentage on the display (Page 212) [1].

6. Review the results (e.g., Point Fault or Non-Point Fault) and perform a system restart after the fault is cleared (Page 213) [1].