Ups does not provide the expected backup time, Ups does not transfer to auto-bypass mode, Ups is on battery – HP Parallel Uninterruptible Power System User Manual
Page 100: Ups is on bypass, Ups is, On battery, On bypass
Troubleshooting 100
o
Parallel UPS configuration—See "Powering up the parallel system (on page
)."
6.
Contact a qualified electrician to check the power cord connections.
UPS does not provide the expected backup time
Action:
1.
Be sure that the battery circuit breakers are in the On position.
2.
Allow the UPS batteries to charge for 48 hours.
3.
If the condition persists, contact an HP authorized service representative.
UPS does not transfer to Auto-Bypass mode
Action:
•
Verify the bypass utility. The UPS is receiving bypass utility power that might be unstable or in brownout
conditions.
•
Be sure that the Usage of Bypass user setting is enabled. For more information, see "Changing user
settings (on page
)."
UPS is on battery
Possible cause: A utility failure has occurred, and the UPS is in Battery mode (on page
Action: The UPS is powering the equipment with battery power. Save files and shut down connected
equipment.
UPS is on bypass
Possible Cause: The UPS is in Auto-Bypass mode (on page
Action:
The equipment transferred to bypass utility power. Battery mode (on page
) 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:
•
Overtemperature
•
Overload
•
UPS failure
•
Hot swap
•
REPO