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AR3260 Fan has big noise problem

Publication Date:  2013-08-30 Views:  686 Downloads:  0
Issue Description
AR3260 Fan has big noise problem

AR3200 V200R002C02SPC200 
Alarm Information
Handling Process
1: use an new Fan, the noise is the same, not hardware problem.

2: there isn't command can change the Fan run speed.

the solution is need upgrade the Fan version to 108.

operation step:
1: upgrade the AR version to AR3200 V200R003C01SPC300

[RouteD-diagnose]dis ver                                                                                                           
Huawei Versatile Routing Platform Software                                                                                         
VRP (R) software, Version 5.120 (AR3200 V200R003C01SPC300)                                                                         
Copyright (C) 2011-2013 HUAWEI TECH CO., LTD                                                                                       
Huawei AR3260 Router uptime is 0 week, 3 days, 5 hours, 3 minutes              

2: use command to upgrade the Fan version to 108
[RouteD-diagnose]upgrade fan-software startup ?                                                                                    
  <cr>  Please press ENTER to execute command 
Root Cause
1: hardware problem

2: the Fan configure has problem
The AR3260 Fan need upgrade to 108 can reduce the noise