UPS is in Auto-Bypass mode

Action:

1.If power management software is being used, check the log files to obtain specific error information to help identify the problem.

For more information about the causes of a general fault condition, see the HP Power Manager user guide available for download from the HP website (http://www.hp.com/go/rackandpower).

2.Verify that no blockage of airflow to the front bezel and rear panel exists.

UPS is on battery

Action: Save files and shut down connected equipment.

UPS is on bypass

Possible Cause: The UPS is in Auto-Bypass mode (on page 31).

Action:

The equipment transferred to bypass utility power. Battery mode is not available and the equipment is not protected; however, the utility power continues to be passively filtered by the UPS.

Check for one of the following alarms:

•Overload

•Over temperature

•Output short

•Hardware failure

Utility power condition

The utility input voltage is outside the operating range.

Action:

1.Check the input voltage and reconfigure the UPS ("Configuring the UPS" on page 32).

2.Contact a qualified electrician to verify that the utility power is suitable for the UPS.

Troubleshooting 49