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Short circuit detected on SLC communication looptrouble

Silent Knight 5820XL: Short circuit detected on SLC communication loop

Silent Knight 5820XL·2 views·0 field notes

What This Code Means

A short circuit has been detected on the Signaling Line Circuit wiring.

Common Causes

  • 1Damaged SLC wiring
  • 2Faulty SLC device
  • 3Incorrect wiring installation

Resolution Steps

Inspect SLC loop wiring for shorts. Disconnect sections of the loop to isolate the location of the short circuit.

Manual References(4)

Field Notes

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Related Codes

SLC Class A supervision lostThe panel has lost the return path for a Class A SLC loop configuration.DBL ADDRAn address has been assigned to more than one detector on the SLC loop.Printer offlineThe system printer is not communicating with the control panel.GROUND FAULTAn earth ground fault occurs when the panel senses an unexpected flow of current from one or more of its terminals to the earth connection (Terminal 2).Point disabledA specific point or circuit has been manually taken out of service, preventing it from initiating an alarm or activating an output.

Related Questions

How do I program zone assignments and custom zone labels on the Silent Knight 6820?What are the key differences between the SK-5207 and its predecessor the SK-5104?How do I expand the SK-5207 from 8 zones to 16 zones using the 5210 Zone Expander?
All 5820XL trouble codes5820XL panel page