FAULT_SENSOR @ PS0.FF_POK has faulted. May be caused by MB POK circuitry malfunction
I am getting below errors in messages file of SF V440 ,but there is no failures or errors observed in prtdiag o/p.
Sun OS 5.10
Sun-Fire-V440
Jan 18 03:10:01 abc syslogd: line 24: WARNING: loghost could not be resolved
Jan 18 04:56:59 abc rmclomv: [ID 974741 kern.error] PSU @ PS0 has FAILED.
Jan 18 05:04:14 abc rmclomv: [ID 838909 kern.error] FAULT_SENSOR @ PS0.FF_POK has faulted. May be caused by MB POK circuitry malfunction.
Jan 18 05:32:55 abc rmclomv: [ID 838909 kern.error] FAULT_SENSOR @ PS0.FF_POK has faulted. May be caused by MB POK circuitry malfunction.
Jan 18 10:51:12 abc su: [ID 810491 auth.crit] 'su root' failed for sdpuser on /dev/pts/4