Fault LED on and PCM status shows as 'SP SHELF FAULT RQSTD'

• FAS26X0
• FAS2750

• The fault LED of the controller is on.
• storage show fault -v displays the following:

Enclosure Status: critical
Channel: 0a
Shelf: 0
Shelf Type: DS212-12
Product Serial Number: SHJSG1751000163
Module Type: IOM12E

Disk Elements:
Element Status                  Status Bytes  Status Descriptions
  0 [Bay  0]: OK                01,00,00,00   
  1 [Bay  1]: OK                01,01,00,20   FAULT REQSTD
  2 [Bay  2]: OK                01,02,00,00   
  3 [Bay  3]: OK                01,03,00,20   FAULT REQSTD
  4 [Bay  4]: OK                01,04,00,00   
  5 [Bay  5]: OK                01,05,00,20   FAULT REQSTD
  6 [Bay  6]: OK                01,06,00,00   
  7 [Bay  7]: OK                01,07,00,20   FAULT REQSTD
  8 [Bay  8]: OK                01,08,00,00   
  9 [Bay  9]: OK                01,09,00,20   FAULT REQSTD
 10 [Bay 10]: OK                01,0A,00,00   
 11 [Bay 11]: OK                01,0B,00,20   FAULT REQSTD
  0 [Bay  0]:                   FF,00,00,00   
  0 [Bay  0]:                   FF,00,00,00   
  

Vendor Unique Element 85-IOM12E: (ACP)
Element Status                      Status Bytes  Status Descriptions
  1 [IOM12E A]    : CRITICAL          02,18,00,00   NO ACPP, INBACP
  2 [IOM12E B]    : OK                01,18,00,00   NO ACPP, INBACP

Vendor Unique Element 88-IOM12E: (PCM)
Element Status         Status Bytes  Status Descriptions
  1: OK                01,01,80,00   SP SHELF FAULT RQSTD
  2: OK                01,01,80,00   SP SHELF FAULT RQSTD

• EMS reports multiple sensor errors

3/17/2022 09:55:32  node01    ALERT         hm.alert.raised: Alert Id = SPNotConfiguredAlert , Alerting Resource = SP Config raised by monitor controller
3/17/2022 09:00:00  node01    ALERT         monitor.shelf.fault: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
3/17/2022 09:00:00  node02    ALERT         monitor.shelf.fault: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
3/17/2022 08:11:57  node02    ALERT         hm.alert.raised: Alert Id = SPNotConfiguredAlert , Alerting Resource = SP Config raised by monitor controller
3/17/2022 08:05:32  node01    ALERT         hm.alert.raised: Alert Id = SPNotConfiguredAlert , Alerting Resource = SP Config raised by monitor controller
3/17/2022 08:00:00  node01    ALERT         monitor.shelf.fault: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
3/17/2022 08:00:00  node02    ALERT         monitor.shelf.fault: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
3/17/2022 07:00:00  node01    ALERT         monitor.shelf.fault: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
3/17/2022 07:00:00  node02    ALERT         monitor.shelf.fault: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.