Skip to main content
NetApp Knowledge Base

SwitchFanNotOperational_Alert - AutoSupport Message

Last Updated:

Applies to

  • ONTAP 9
  • Call home for Health Monitor process cshm: SwitchFanNotOperational_Alert

Event Summary

The SwitchFanNotOperational_Alert is sent when there is no fan power supply detected and the fan status reads as non-operational. 


Call home event

HA Group Notification from Node Name (Health Monitor process cshm: SwitchFanNotOperational_Alert[Switch Name(Switch Serial Number)/Fan Module-3]) ALERT


event log show -severity * -message-name callhome*

[Node Name: mgwd:]: Call home for Health Monitor process cshm: SwitchFanNotOperational_Alert[Switch Name(Switch Serial Number)/Fan Module-3].

Command Line

system health alert show -node <node name> -monitor cluster-switch -alert-id SwitchFanNotOperational_Alert

                      Node: Node01
                   Monitor: cluster-switch
            Class of Alert: SwitchFanNotOperational_Alert
         Severity of Alert: Major
            Probable Cause: Out_of_service
Probable Cause Description: "Fan Module-3" on switch "Switch Name(Switch Name)" is not functioning properly.
           Possible Effect: Cooling of switch "Switch Name(Serial Number)" might be degraded.
        Corrective Actions: 1) Use the switch CLI to verify that the fan is functioning at the expected speed.                                          2) Replace the fan, if it is not operational.

Switch log output:

switch_name# show environment fan detail

Fan             Model                Hw     Direction       Status
Fan1(sys_fan1)  NXA-FAN-30CFM-F      --     back-to-front   Failure
Fan2(sys_fan2)  NXA-FAN-30CFM-F      --     back-to-front   Ok

Fan Name          Fan Num   Fan Direction   Speed(%)  Speed(RPM)
Fan1(sys_fan1)      fan1    back-to-front    0         0
Fan1(sys_fan1)      fan2    back-to-front    100       11563


  1. Verify if maintenance is ongoing or was scheduled during the AutoSupport call home time stamp. 
  2. Verify if there is a power issue within the data center.
  3. Verify the fan is installed properly.
    • Reseat the affected fan if possible.


Replace the fan if confirmed defective:

  • For a Broadcom switch, contact Broadcom for assistance
  • For a Cisco switch, contact Cisco for assistance
  • For a NVIDIA switch, contact NVIDIA for assistance
  • For a CN1610 switch, contact NetApp Technical Support for assistance


Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.