08G20G2-08P f/w 1.02.01.0011 Fan remains On at all times

[FAQ_User]

Article ID: 16065

Products
800-Series, firmware 1.02.01.0011
08G20G2-08P

Changes
Firmware 1.02.01.0011 release notes list a new feature, in the '

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What's New in 1.2

' section:

Temperature based fan control for 08G20G2-08P

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– Support Fanless operation (on model rev 5C or higher)

Symptoms
On units of hardware version 5B or lower (visible in the output of a '

code:

show switch

' query); the fans remain on, never turning off.

Solution
Upgrade to firmware 1.02.02.0005 or higher.
Release notes state, in the '

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Changes and Enhancements in 1.02.02.0005

' section:

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92

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Fanless operation is now supported on all hardware revisions of the 08G20G2-08P. Previously this was only supported on model rev 5C (or above).

For expected post-upgrade fan behavior, please refer to 16026.