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Silent Knight
5820xl
Short Circuit Detected On Slc Communication Loop

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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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Short circuit detected on SLC communication loop: 5820XL Trouble Code | Fire Alarm Resource Center

Short circuit detected on SLC communication loop

trouble

Silent Knight 5820XL

70 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)

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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