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Short circuit detected on SLC communication loop
trouble

Silent Knight 5820XL

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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

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.System Power (Flashes)The panel has lost primary AC power and is running on battery backup.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.Battery voltage lowThe system has detected that the battery voltage is below the required threshold for reliable operation, typically less than 85% of its rating.

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