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Silent Knight
5820xl
Unexpected Slc Device Removed

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When diagnosing codes, always check the event history log first. Many trouble conditions are intermittent and tied to environmental factors like temperature or moisture.

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Unexpected SLC device removed: 5820XL Trouble Code | Fire Alarm Resource Center

Unexpected SLC device removed

trouble

Silent Knight 5820XL

62 views·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)

1silent knight5820XLInstallation2007Open

2silent knight5820XLInstallation2013p. 206Open

3silent knight5820XLDatasheet2006Open

Field Notes

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Related Codes

Detector troubleA smoke or heat detector is reporting a fault condition to the panel.Water flow switch troubleA fault has been detected in the wiring or switch of a water flow initiation circuit.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.System Power (Flashes)The panel has lost primary AC power and is running on battery backup.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).

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All 5820XL trouble codes 5820XL panel page