Purpose
Provide a standard troubleshooting procedure when an Ambient Temperature alert is triggered on a node.
This guide helps L1 and L2 engineers verify the alert and take appropriate action.
When to Use
Use this KB when the monitoring system generates an alert for:
Alert Name: Ambient Temperature
Alert Description
Field | Details |
Alert Name | Ambient Temperature |
Condition | High chassis ambient temperature (≥ 30°C) |
| Severity | P4 – Low Impact |
What the Alert Means
This alert indicates that the ambient air temperature around the device or chassis has crossed the defined threshold (30°C or higher).
It usually indicates one of the following:
-
Temporary rise in rack temperature
-
Data center cooling fluctuation
-
Blocked airflow in the rack
-
Sensor reading spike
In many cases, the alert auto-resolves once the temperature stabilizes.
L1 Engineer Actions
Follow the steps below when the alert is received.
Step 1 – Log the Alert
Step 2 – Wait and Monitor
Step 3 – Check BMC Sensors (If Access Available)
Step 4 – Check Other Nodes in Same Rack
Step 5 – Escalate if Alert Persists
If the alert does not clear after monitoring:
Step 6 – Documentation
After confirming with L2:
L2 Engineer Actions
If the alert persists or is escalated, perform the following checks.
Step 1 – Login to BMC
Step 2 – Verify Sensor Data
Check the following sensors:
-
Ambient temperature
-
Chassis temperature
-
Other thermal sensors
Step 3 – Check Chassis Inlet Temperature
Verify if the inlet temperature is within acceptable limits.
Step 4 – Verify Data Center Cooling
Check the following:
Step 5 – Check Other Nodes in Same Rack
Determine whether the issue affects:
Step 6 – Inspect Rack Airflow
Look for possible airflow issues:
Step 7 – Coordinate with Data Center Team
If temperature remains high:
Expected Outcome
The alert should clear once:
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