SK-6820 Trouble Codes

The control panel has lost primary AC power.

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

The main control panel has detected a problem with its standby batteries.

A sensor has failed its internal calibration test.

A Carbon Monoxide detector has reached a supervisory threshold.

A point or circuit has been manually taken out of service, which prevents the activation of notification appliances or alarm initiation from that specific device.

A supervisory or tamper condition related to the Emergency Voice System.

An 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).

A device or module (such as an SLC device or a 5496, 6815, or 5815XL module) is physically connected to the system but is not being recognized by the panel.

The connected printer is not communicating or is set to offline mode.

The system printer has run out of paper.

A circuit configured for releasing or notification has been manually disabled.

A ground fault has been detected on a repeater module.

A repeater module that was previously programmed is no longer communicating with the panel.

The panel has lost the return path for a Class A SBUS circuit.

A short circuit condition has been detected on the Signaling Line Circuit.

The panel failed to communicate an event to the central station.

A water flow switch has been activated, indicating water movement in the sprinkler system.