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Repeated Message in Log Indicating Non-operational Component Fan

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TitleRepeated Message in Log Indicating Non-operational Component Fan
Symptoms
Logging buffer shows both fans fail simultaneously
<165>Feb 26 03:09:31 10.110.127.254 i2c[8.tFan]Bus 6.0xe0.0x8: Not operational 673 times 
<165>Feb 26 03:14:49 10.110.127.254 i2c[8.tFan]Bus 6.0xe0.0x8: Not operational 689 times 
<165>Feb 26 03:20:07 10.110.127.254 i2c[8.tFan]Bus 6.0xe0.0x8: Not operational 705 times 
<165>Feb 26 03:25:25 10.110.127.254 i2c[8.tFan]Bus 6.0xe0.0x8: Not operational 721 times 

Both fan modules are showing as not operating: 
 
Chassis Fan 1: Installed & Not Operating 
Chassis Fan 2: Installed & Not Operating

BUT they both appear to actually be working on inspection and have green leds. 
Environment
  • S-Series
  • Firmware 8.31.02.0014 or higher
Cause
Possible bad fan tray
Resolution
1. Remove / Reinsert the fan try to see if that resolves the problem .
2. If it does not then Contact Extreme Networks Global Technical Assistance Center (GTAC)
Additional notes

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