12-04-2019 12:44 PM
We have a stack of 4 WS-C3850-48U's running IOS ver. 16.6.5. all running dual power supplies. One of the members registered a power supply failure. It was hot swapped out with a new one however the switch is still showing a power supply failure error. Is there any reset or other options for remedying this short of replacing the switch?
Thanks in advance.
SW PID Serial# Status Sys Pwr PoE Pwr Watts
-- ------------------ ---------- --------------- ------- ------- -----
1A PWR-C1-1100WAC DTN2046V39D OK Good Good 1100
1B PWR-C1-1100WAC DTN2046V39B OK Good Good 1100
2A PWR-C1-1100WAC LIT20452ZQG OK Good Good 1100
2B PWR-C1-1100WAC LIT20452Y93 OK Good Good 1100
3A PWR-C1-1100WAC LIT200305ZY OK Good Good 1100
3B PWR-C1-1100WAC DTN2039V3UC OK Good Good 1100
4A PWR-C1-1100WAC DTN2039V36B OK Good Good 1100
4B PWR-C1-1100WAC DTN2203V0UQ Supply Failure Bad Bad 1100
12-04-2019 12:56 PM
12-04-2019 01:49 PM
Did you see the same error message before replacing it? if yes, it could be that the fist PSU was never bad. So, as Leo said, it could be an IOS bug. We had the same problem (don't remember the exact error message) with some 3850 stacked and the only way we got it fixed was by upgrading the IOS. Sometimes reloading the stack or just that switch can fix it temperately but as you know that is usually not a good solution.
HTH
12-04-2019 02:06 PM
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