Common Sensor (MT) Event Log Messages

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This article outlines the process of navigating the event log for MT sensor devices, detailing how to access, filter, and interpret various sensor event types through the Meraki dashboard. It provides comprehensive definitions for each event type, such as alert events, ambient noise, battery issues, and temperature events, aiming to aid users in monitoring and managing the physical state of sensors effectively.

Navigating Event Log for Sensors

The event log for MT sensor devices 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 sensors option.

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Filter Options

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

Gateway: This filter allows users to select sensors 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

Some event types include additional context, which can be found by clicking the expand chevron on the right-hand side:

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Alert Event

This event triggers if any of the criteria defined in the Sensor Alert Profiles are met, and indicates the alerts are being sent to the configured recipients under the relevant alert profile.

Event Type Alert Event.png

Ambient Noise

This event triggers if Ambient noise levels transition between the thresholds defined in the relevant Alert Profile.

Event Type Ambient Noise Qualitative.png Event Type Ambient Noise dBA.png

Battery Cover

This event triggers if a battery cover is attached to a sensor.

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Wake Up Press

This events triggers if the connection button was manually pressed, triggering a connection attempt to a wireless gateway.

Event Type Wake up press.png

MT30 Button Press

This events triggers if the button for triggering the configured automation was pressed.

Event Type MT30 button press.png

Event Type MT30 long button press.png

Door Event

This event triggers if a door is opened or closed.

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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. Users can also set up Alerts under the General Status Alert Profile for administrator to be alerted of this state.

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WARNING: This type of event indicates that the sensor is flipping between states. Due to the constant flicker, it keeps the sensor awake which has a huge impact on battery life of the sensor.

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.

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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.

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IAQ Score

This event triggers if the Indoor Air Quality Rating levels transition between the thresholds defined in the relevant Alert Profile.

Event Type IAQ Qualitative and Numerical.png

PM 2.5

This event triggers if the particulate matter levels transition between the thresholds defined in the relevant Alert Profile.

Event Type pm2 5 Qualitative and Numerical.png

Probe Cable Connection

This event triggers if the sensor detects a probe cable has been connected or disconnected.

Event Type Probe cable connection.png

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.

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Insufficient RSSI

This event triggers if the sensor RSSI (Received Signal Strength Indicator) falls below the required minimum value.

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Automation Webhook

This event triggers whenever an action occurs (such as an MT30 button press) that triggers a Webhook to be sent, as defined under the MT Automation Builder function.

Event Type Automation Webhook.png

Automation Notification

This event triggers whenever an action occurs (such as an MT30 button press) that triggers a notification to be sent, as defined under the MT Automation Builder function.

Event Type Automation Notification.png

Automation Switchport

This event triggers whenever an action occurs (such as an MT30 button press) that causes a Switchport to be toggled, as defined under the MT Automation Builder function.

Event Type Automation Switchport as edited HTML.png

Automation Snapshot

This event triggers whenever an action occurs (such as an MT30 button press) that triggers a Camera snapshot to be taken, as defined under the MT Automation Builder function.

Event Type Automation Snapshot.png

Automation SSID

This event triggers whenever an action occurs (such as an MT30 button press) that causes an SSID to be toggled, as defined under the MT Automation Builder function.

Event Type Automation SSID as edited HTML.png