Your failed power supply could be an indication of BMC/CMC issue. Failed BMC/CMC on that node.
466373 : S210, X210, X410, NL410 or HD400 shows event: 'Node's Baseboard Management Controller (BMC) and/or Chassis Management Controller (CMC) are unresponsive.' https://support.emc.com/kb/466373
Step 1 - Reset BMC/CMC:
First, each node will need to be power cycled and drained to reset the BMC to a clean state. This avoids potential upgrade issues due to a developing BMC hang condition. Shut down the node by either running '
shutdown -p now' via the CLI or selecting the shutdown option in the Web UI. Once the node is powered off, unplug both power cords, wait one minute, reconnect the power cords and restart the node by pressing the power button on the back of the node...