S5500-52C-EI交换机更换风扇后通过命令查看状态仍然显示Fault

设备问题现象：拆开设备风扇运行正常，但通过命令查看状态显示异常，后更换风扇，仍然显示异常（Fault）

通过命令dis fan查看设备风扇故障

display fan 

 Slot 1 

 FAN 1 

 State : Fault  

设备信息：

H3C Comware Platform Software Comware Software, Version 5.20, Release 2202  

H3C S5500-52C-EI uptime is 74 weeks, 5 days, 5 hours, 31 minutes

H3C S5500-52C-EI with 1 Processor 256M bytes SDRAM 32768K bytes Flash Memory 

Hardware Version is REV.C CPLD Version is 002 

Bootrom Version is 509 [SubSlot 0] 48GE+4SFP Hardware Version is REV.C

其他信息

dis environment     //环境信息

 System Temperature information (degree centigrade): 

---------------------------------------------------- 

 SlotNo Temperature  Lower limit  Upper limit 

 1           31                 0                   55

display power Slot 1     //电源信息

 Power 1 State : Normal Type : AC 

 Power 2 State : Normal Type : AC 

display logbuffer    //日志信息

Logging buffer configuration and contents:enabled 

Allowed max buffer size : 1024 

Actual buffer size : 512 

Channel number : 4 , Channel name : logbuffer 

Dropped messages : 0 

Overwritten messages : 3228 

Current messages : 512 

 %Apr 30 08:59:40:401 2000 H3C-xx-S5500-52C DEV/4/FAN FAILED: Fan 1 failed. 

%Apr 30 09:01:01:208 2000 H3C-xx-S5500-52C DEV/4/FAN FAILED: Fan 1 failed. 

%Apr 30 09:02:22:16 2000 H3C-xx-S5500-52C DEV/4/FAN FAILED: Fan 1 failed.  

%Apr 30 09:03:42:824 2000 H3C-xx-S5500-52C DEV/4/FAN FAILED: Fan 1 failed.