Case 1, Beijing Enterprises Sun Enterprise 450 UNIX servers bad, a company of engineers and accessories diagnostic tests, the results of E450 is a bad fan, replacement power, the machine will start the normal machinery, maintenance success.
Wrong phenomenon: the boot on the wrong fans
Solution: replace the fan.
Conclusion: The machine can be activated normal machinery, maintenance success.
Second case, a Beijing University Library Sun Enterprise 450 UNIX bad, the company engineers and accessories diagnostic tests, the replacement of spare parts, machines start to the normal machinery, maintenance success.
Wrong phenomenon: the boot does not shine
Resolved: the replacement of spare parts.
Conclusion: The machine can be activated normal machinery, maintenance success.
