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PSU not receiving enough input voltage results in degraded PSU

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Category:
ontap-9
Specialty:
HW
Last Updated:

Applies to

  • ONTAP
  • FAS8300
  • FAS8700
  • AFF-A400
  • AFF-A800

Issue

  • Error messages will appear with "crit low" input power:
[Cluster1-01: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 1 is degraded: PSU1 Volt In is Critical Low (118000 mV)
  • Platform sensors show the PSU as healthy except for the input voltage being below the minium threshold

Cluster1::*> system environment sensors show
Node          Sensor        State    Value/Units   Crit-Low   Warn-Low  Warn-Hi  Crit-Hi
----        ----------     ------    -----------   --------   --------  -------  -------

             PSU1 VIN     crit-low     118000 mV    90200     93500     264000   277200
             PSU1 VOUT     normal      12012 mV     11336     11440     12948     13156
             PSU1 Curr IIN normal       832 mA         0         -       9984     12012

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