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Unexpected SLC device removedtrouble

Silent Knight 5820XL: Unexpected SLC device removed

Silent Knight 5820XL·1 view·0 field notes

What This Code Means

A programmed SLC device is no longer communicating with the panel.

Common Causes

  • 1Device physically removed
  • 2Wiring break to the device
  • 3Device hardware failure

Resolution Steps

Reinstall the device or check wiring continuity to the device location. Replace the device if it has failed.

Manual References(4)

Field Notes

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Related Codes

Printer offlineThe system printer is not communicating with the control panel.SLC Class A supervision lostThe panel has lost the return path for a Class A SLC loop configuration.BATTERY LOWThe system has detected that the standby battery voltage is below the acceptable threshold, indicating the batteries are depleted or failing to hold a charge.Point disabledA specific point or circuit has been manually taken out of service, preventing it from initiating an alarm or activating an output.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).

Related Questions

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