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 How to  resolve ERROR "Fan airflow direction is not preferred in slot 1" in HPE Switch 5710 

 

Synopsis

When we initialize the switch and insert the Fan on device .If We gets the error "Fan airflow direction is not preferred" due to initial configure then This article will provide the solutions for error "Fan airflow direction is not preferred " in HPE 5710 Switch.

Error Log :

%Jan 2 04:14:23:594 2011 HPE DEV/1/FAN_DIRECTION_NOT_PREFERRED: Fan 1 airflow direction is not preferred on slot 1, please check it.
%Jan 2 04:14:23:595 2011 HPE DEV/1/FAN_DIRECTION_NOT_PREFERRED: Fan 2 airflow direction is not preferred on slot 1, please check it.
%Jan 2 04:14:23:595 2011 HPE DEV/1/FAN_DIRECTION_NOT_PREFERRED: Fan 3 airflow direction is not preferred on slot 1, please check it.
%Jan 2 04:14:23:596 2011 HPE DEV/1/FAN_DIRECTION_NOT_PREFERRED: Fan 4 airflow direction is not preferred on slot 1, please check it.

Configurations Steps:

 1) Login the device

login: username
password: 

 2) Once you will login the switch , You will be enter in Operational level

<hpe>

 3) Go to Manager Level from operational Level

<hpe>system-view

 4) enter the command "fan prefer-direction slot 1 port-to-power"

[hpe] fan prefer-direction slot 1 port-to-power

5) Once we provide the above command then the log would be generate of resolved as per below 

%Jan 2 04:15:27:594 2011 HPE DEV/5/FAN_RECOVERED: Fan 1 recovered.
%Jan 2 04:15:27:595 2011 HPE DEV/5/FAN_RECOVERED: Fan 2 recovered.
%Jan 2 04:15:27:597 2011 HPE DEV/5/FAN_RECOVERED: Fan 3 recovered.
%Jan 2 04:15:27:598 2011 HPE DEV/5/FAN_RECOVERED: Fan 4 recovered.

6) Save the configurations on switch.

[hpe] save force

Validating file. Please wait...
Saved the current configuration to mainboard device successfully.

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