Summit v15.3 with Fan Tray "out of operating range" error messages

[FAQ_User]

Article ID: 16143

Products
Summit; EXOS version 12.6, 12.7, 15.1, 15.2, and 15.3 lines

Symptoms
Fan tray failure error messages.
Fan failure alarms while the LED flashes amber for the specific fans; for example:
<

code:

Warn:DM.Warning

>

code:

Switch, Error 4: Fantray 3 fan #6 failed. Rpm 18204 is out of operating range (from 4928 to 16800 rpm).

<

code:

Warn:DM.Warning

>

code:

Switch, Error 4: Fantray 2 fan #4 failed. Rpm 16948 is out of operating range (from 4928 to 16800 rpm).

Issuing the '

code:

show temperature

' command displays that the affected fans are "

code:

out of range

".

Solution
Upgrade to the latest available release or patch, based on the EXOS version currently in use.

For the EXOS 15.1 line, upgrade to 15.1.3-patch1-9 or higher.
ExtremeXOS 15.1.3-patch1-9 release notes state, in the '

code:

Resolved Issues

' section:

code:

Summit Family Switches

code:

PD4-3300688261

code:

Fan tray failure error messages occurs in Summit family switches.

For the EXOS 15.2 line, upgrade to 15.2.2-patch1-2 or higher.
ExtremeXOS 15.2.2-patch1-2 release notes state, in the '

code:

Resolved Issues

' section:

code:

Summit Series Switches

code:

PD4-3300688322

code:

Fan tray failure error messages appears on Summit family switches.

For any EXOS version, upgrade to 15.3(.1) or higher.
ExtremeXOS 15.3(.1) release notes state, in the '

code:

Resolved Issues

' section:

code:

Summit Series Switches

code:

PD4-3206781851

code:

Fan tray failure error messages occur on Summit family switches.