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FAS2820 report internal communication error

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Category:
ontap-9
Specialty:
hw
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Applies to

  • ONTAP 9
  • FAS2820
  • BMC FW at latest 17.4

Issue

  • Node report chassis PSU sensor error frequently.

[node01: dsa_worker1: ses.status.temperatureError:error]: DS212-12 (S/N xxxxx) shelf 0 on channel 0b temperature error for Temperature sensor 9: internal communication error. Current temperature: 42 C (107 F). This module is on the rear of the shelf on the lower right power supply.
[node01: dsa_worker1: ses.status.temperatureInfo:info]: DS212-12 (S/N xxxxx) shelf 0 on channel 0b temperature information for Temperature sensor 9: normal status.

  • BMC reboot doesn't resolve the issue.
  • Shelf FW upgrade doesn't resolve the issue.

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