10G SFP Module absent after reload in Nexus 5548UP

Hi there,
i have a problem concerning two new 5548UP.
After a reload, the 2x2 10G SFP Modules SFP-10G-SR are displayed as "sfpabsent" on a random basis.
When i plug it out and afterwards in again, they work fine an the VPC-Peer link across the two switches comes up.
My 1G SFP modules  are all working correctly.
I tested firware version 6.0 and 5.2.
Any suggestions?
Thank you very much!

Hi,
We had the same problem with a Nexus 5596 in 5.1(3)N2(1a) last night:
%NOHMS-2-NOHMS_ENV_ERR_FAN_SPEED: System minor alarm in fan tray 1: fan speed is out of range on fan 2. 5812 to 12500 rpm expected. 4072 rpm read
%NOHMS-2-NOHMS_ENV_ERR_FAN_DOWN: System minor alarm on fans: One fan missing or failed
%NOHMS-2-NOHMS_ENV_ERR_FAN_RECOVERED: Recovered: System minor alarm in fan tray 1
%NOHMS-2-NOHMS_ENV_ERR_ALL_FAN_UP: Recovered: System minor alarm on fans: One fan missing or failed
%PFMA-0-SYS_SHUTDOWN_FAN_DIR_MISMATCH: System shutdown in 60 seconds due to fan dir mismatch
%NOHMS-2-NOHMS_ENV_ERR_FAN_DIR: System major alarm: fan direction mismatch with other fan(s)
%PFMA-0-SYS_SHUTDOWN_FAN_DIR_MISMATCH: System shutdown in 55 seconds due to fan dir mismatch
%PFMA-0-SYS_SHUTDOWN_FAN_DIR_MISMATCH: System shutdown in 50 seconds due to fan dir mismatch
After reseating the FANs the switch came up. We'll open a TAC case.
Javier

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