CHASSIS FAN FRU FAILED: Multiple fans have failed even after upgrading SP/BMC

Applies to

• FAS2620
• FAS2650
• FAS2750
• FAS8200
• AFF A200
• AFF A220
• AFF A300

Issue

• EMS errors. Example:

[Cluster: env_mgr: monitor.fan.warning:notice]: multiple fans have failed. Replace it to avoid overheating
[Cluster: env_mgr: monitor.temp.unreadable:error]: The controller temperature (Module B Expander Temp) is not readable.
[Cluster: env_mgr: monitor.temp.unreadable:error]: The controller temperature (Module A Expander Temp) is not readable.
[Cluster: env_mgr: monitor.temp.unreadable:error]: The controller temperature (Midplane 4 Temp) is not readable.
[Cluster: env_mgr: monitor.temp.unreadable:error]: The controller temperature (Midplane 3 Temp) is not readable.
[Cluster: env_mgr: monitor.temp.unreadable:error]: The controller temperature (Midplane 2 Temp) is not readable.
[Cluster: env_mgr: monitor.temp.unreadable:error]: The controller temperature (Midplane 1 Temp) is not readable.
[Cluster: env_mgr: monitor.temp.unreadable:error]: The controller temperature (Ambient Temp) is not readable.
[Cluster: env_mgr: callhome.c.fan.fru.fault:error]: Call home for CHASSIS FAN FRU FAILED: Multiple fans have failed

• High SP load in event logs. Example:

[SP.notice]: SP load is high: 2.62 2.37 2.04
[SP.notice]: SP load is high: 2.71 2.31 2.08

• Repeated env_mgr errors in SP syslog output. Example:

env_mgr[1356]: Error opening ses, err -1  
env_mgr[1356]: cdev_reopen: error opening device 'ses', err -1.  
env_mgr[1356]: cdevices_poll_pending: cdev(2001) re-open, state is 4.