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An unexpected SLC device has been ID
trouble

Silent Knight SK-6820

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What This Code Means

The panel has detected a device on the SLC loop that was not programmed into the system.

Common Causes

  • 1New device added without programming
  • 2Incorrect address on a device
  • 3Wiring error

Resolution Steps

Identify the unexpected device, verify its address, and either program it into the system or remove it if it is not supposed to be there.

Manual References(3)

Field Notes

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Related Codes

Printer is out of paper troubleThe system printer has run out of paper.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).DISABLEA point or circuit has been manually taken out of service, which prevents the activation of notification appliances or alarm initiation from that specific device.Calibration trouble alertA sensor has failed its internal calibration test.Repeater ground fault troubleA ground fault has been detected on a repeater module.

Related Questions

How do I program the Silent Knight 6820 via the USB interface, and what software is required?What is the maximum number of devices on the 6820 SLC loop, and how do I expand capacity with a 6815 SLC expander?How do I program zone assignments and custom zone labels on the Silent Knight 6820?
All SK-6820 trouble codesSK-6820 panel page