Fan Light Turns Off After 3 Seconds on a PA 5000 Series Firewall

Symptom

After replacing the fan in a Palo Alto Networks PA-5020, PA-5050, or PA-5060 firewall, the fan LED is green for 3 seconds and then turns off.

Resolution

Ensure the fan is inserted with the correct orientation. When replacing the fan, the filter should be closest to the chassis with the handle positioned to the right of center.

Here is the fan inserted in the correct orientation:

Here is the fan as it is being inserted in the correct orientation:

The 5000-series hardware guide includes this process as well as other part replacement steps and is available here: PA-5000 Series Hardware Reference Guide (English)

owner: gwesson