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Unexpected SLC device detected
trouble

Silent Knight 5820XL

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What This Code Means

A device is present on the SLC loop that has not been programmed into the system configuration.

Common Causes

  • 1New device added without programming
  • 2Incorrect address set on a new device

Resolution Steps

Program the new device into the system using the panel menu or software, or remove the device if it is not required.

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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All 5820XL trouble codes5820XL panel page