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Cisco Meraki

Common Sensor (MT) Event Log Messages

Navigating the MT Event Log

The MT event log is a powerful tool that offers insight into the physical state of a given sensor. This article will cover how to navigate the event log and definitions of specific entries.

The event log is accessible through the Meraki dashboard. Navigate to Network-wide > Monitor > Event log. 

Note: If using a combined network, click the drop-down at the top of the page and select the for environmental option.

Filter Options

  • Sensor: This filter allows users to select individual MT devices to view individual logs

  • Gateway: This filter allows users to select MT’s based on the gateway access point they are connecting to

  • Event Type: This filter allows users select specific events to focus on

  • Event Type Exclude: This filter allows users to remove event types from the list. Useful if trying to remove common event entries to focus on uncommon ones.

Event Types

  • Battery cover: This event reports when a battery cover is attached to a sensor.

  • Button Press: This event indicates the connection button was manually pressed, triggering a connection attempt to a wireless gateway.

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  • Door Flicker: This event is triggered when an MT20 sensor is right around the threshold of open/close state. If you notice this event, you might want to consider placing the magnet a bit closer to the sensor body.

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  • Door Tamper: This event triggers if the sensor detects an unexpected magnetic field that exceeds that of the sensor’s expected magnet. Indicates that additional magnetic devices are affecting sensor operation.

NOTE: This event is also triggered when the magnet tab is too close to the sensor. There should be at least 1 mm gap between the sensor and the magnet.

  • Humidity Event: This event triggers if a configured humidity alert profile is exceeded and indicates a humidity abnormality is present.

  • Missed connection: This event triggers when the wireless connection between sensor and gateway is lost temporarily. Recommend ensuring that the wireless environment is stable and a clear connection is available.

  • Insufficient RSSI: Event triggers if the MT RSSI falls below the required minimum.

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  • Temperature event: This event triggers if a configured temperature alert profile is exceeded and indicates a temperature abnormality is present.

  • USB connections: This event triggers when a USB cable is inserted or removed from an MT.

  • Water Detection: This event triggers if a configured alert profile is exceeded and indicates moisture is present.

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  • Water cable connection: The event triggers if a water cable is added or removed from an MT device.

  • Test notification: this event indicates that a test alert was issued by an administrator.

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