======THE POWER SUPPLY SYSTEM FAILURE======

**Symptom:**

After the router starts up, the following error message appears on the configuration terminal:

  %Jun 22 16:11:37:485 2015 HPE DEV/4/FAN FAILED:
   Fan 1 failed.


**Solution:**

To resolve the problem:

  - Verify that the fans are in position.
  - Examine whether any obstacle enters the chassis and blocks the fans.
  - Examine whether any fan stops rotating.
  - Turn off the power switch.
  - If the problem persists, contact Hewlett Packard Enterprise Support.

 --- //[[nce@itclatam.com|David Gonzalez]] 2021/03/30 12:49//