Troubleshooting 47
a. Power down the UPS ("Powering down the UPS" on page 34).
b. Remove one or more load devices to reduce the power requirements.
c. Wait at least 5 seconds and restart the UPS.
d. If the condition persists, verify that the load devices are not defective.
4. Allow the UPS to cool:
a. Power down the UPS ("Powering down the UPS" on page 34).
b. Clear vents and remove any heat sources.
c. Verify that the airflow around the UPS is not restricted.
5. Wait at least 5 minutes and restart the UPS.
6. If the condition persists, contact an HP authorized service representative.
Input voltage is out of 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.
Insufficient warning of low batteries
Action:
1. Verify that the power management software is not delaying the shutdown of attached servers when the
UPS is in a low battery condition.
2. Allow the UPS batteries to charge for 48 hours.
3. If a Battery Fault occurs, replace the batteries.
Internal UPS fault condition
Action:
1. Power down the UPS ("Powering down the UPS" on page 34).
2. If the condition persists, contact an HP authorized service representative.
Low battery shutdowns
Possible cause::Ungraceful shutdown of attached servers occurs when the UPS is in a low battery condition.
Action:
1. Verify that the power management software is not delaying the shutdown of attached servers when the
UPS is in a low battery condition.
2. Allow the UPS batteries to charge for 48 hours.
3. If a Battery Fault occurs, replace the batteries.
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