Tyco 4100U - Manual (Page 164)

D-9
B. Find and repair the indicated fault on Transponder 1.
1. Select Location Search.
14. Select the RPS located in Transponder 1 (this selects Transponder 1 as the
location for the search).
15. When prompted, select exclusion of AUXPWR circuits.
16. Start the search. (The panel turns on the earth fault search trouble pseudo-point
and the keypad inactivity utility pseudo-point to disable timeout during the
search).
17. The search completes. The panel indicates FAULT NOT FOUND because the
fault is on the excluded AUXPWR circuit. All slaves in Transponder 1 are reset
(and the panel turns off the earth fault search trouble pseudo-point).
18. Repeat the search but include the AUXPWR circuit this time.
19. The search completes. The panel indicates a fault on the AUXPWR point on the
RPS. All slaves in Transponder 1 are reset (and the panel turns off the earth fault
search trouble pseudo-point).
20. Repair the earth fault on AUXPWR.
Even though you have fixed the fault, the trouble from the RPS is still not clearing.
Remember that the only two faults you could see at first were from the SPS and RPS. It is
time to find and clear the next fault.
C. Find and repair the next indicated fault on Transponder 1.
1. Select Location Search.
21. Select the RPS located in Transponder 1.
22. When prompted, select exclusion of AUXPWR circuits.
23. Start the search.
24. The search completes. The panel indicates a fault on IDNet Channel M2.
25. Start another search, this time an IDNet Channel Search on Channel M2.
26. When prompted, select exclusion of AUXPWR circuits.
27. The search completes. The panel indicates a fault on the IDNet channel between
isolators 1 and 2.
28. Repair the earth fault. The trouble from the RPS is cleared.
Search Results, Continued