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Power supply problems

Use the information in this section to troubleshoot a power supply problem.

Action​

Complete the following steps until the problem is solved:
  1. Check the CMM event log and resolve any issues pertaining to the power supply.
  2. Make sure that the CMM power management policy is set correctly.
    Note
    For more information about setting the CMM power management policy, see ../com.ibm.acc.cmm.doc/cmm_ug_powermanagepage.html.
  3. Check the status of the In, Out and Fault lights on the power supply:
    • If the Power In light is not lit, make sure that the source it is connected to is powered and that the power cord is functional.
    • If the Power In light remains off, replace the power supply.
    • If the Power Out light is off, unplug the power cord for a few seconds, then reconnect it. If the problem persists, replace the power supply.
    • If the Fault light is on, unplug the power cord for a few seconds, then reconnect it. If the problem persists, replace the power supply.