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Nexus 5548 - PFMA-2-PS_HIGH_VIN message on device with DC power supply

Hi,

we got following message on Cisco Nexus 5548 (NX-OS 6.0(2)N2(3)):

 

2014 Aug 25 06:41:11 MO-BPROD-AS-N5k-1 %PFMA-2-PS_HIGH_VIN:  Input Voltage 1023
exceeded maximum threshold of 250V for Power supply 2.
2014 Oct 18 14:12:10 MO-BPROD-AS-N5k-1 %PFMA-2-PS_HIGH_VIN:  Input Voltage 1023
exceeded maximum threshold of 250V for Power supply 1.

 

Strange thing is that power supplies at Nexus are DC (48 Volts), not an AC.

 

I serach at Cisco Error Message decoder and didn't find anything.

 

At Nexus 6000 (we have Nexus 5500) System Messages document I found this:

 

Error Message PFMA-2-PS_HIGH_VIN: Input Voltage [dec] exceeded maximum threshold of 250V for Power supply [dec].

Explanation Input Voltage has exceeded higher threshold of 250V for Power Supply

Recommended Action Please perform a showenvironmentpower'and'showplatforminternalinfo'tocollectmoreinformation.'

 

But, there is no any useful info from this commands (just first command works).

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