RLE LD5000 - Manual (Page 87)

User Guide: LD5000 Appendix C: Preventive Maintenance
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APPENDIX C: PREVENTIVE MAINTENANCE
Follow these steps monthly to test the system and ensure that the control panel is functioning properly:
1) Place water on the cable.
2) Verify the Leak Detected alarm on the control panel.
3) Compare the distance reading on the LD5000 LCD to the reference map to verify that the LD5000
displays the correct leak location.
4) Dry the cable and verify that the LD5000 returns to normal.
5) Remove the end-of-line terminator.
6) Verify the Cable Break alarm on the control panel.
7) Reinstall the end-of-line terminator.
8) Verify that the LD5000 returns to normal.
Monitor the cable current monthly to verify that the cable is not being contaminated. The LD5000 will
alarm on cable contamination if the contamination is excessive.
1) From the LD5000 display, press the “Enter” key until the cable current is displayed.
2) Be sure the cable current is less than 25uA. If the cable current is greater than 25uA, RLE
recommends troubleshooting the cable to determine which cable is contaminated. The
contaminated cable should be removed, cleaned, retested and reinstalled.