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| Troubleshooting | |
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| Symptom | Possible Cause | Suggested Action | |||||
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| The On Battery LED | The UPS is running on battery | Save your current work and prepare to | |||||
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| audible alarm sounds. |
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| The On Battery LED | The output voltage is out of | Contact an authorized service provider. | |||||
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| the General Alarm | power. |
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| LED ( ) is flashing |
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| red, and an audible |
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| alarm sounds. |
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The On Battery LED | The battery voltage is low. | ||||||
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Utility LED ( ) is solid |
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red, and an audible |
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alarm sounds. |
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If the UPS is supplying battery power, save your current work and power down the system. Allow the batteries to charge.
If the UPS is supplying utility power, no user intervention is required. Allow the batteries to charge.
The Bad Battery/Low Battery LED (
) is flashing red.
The battery voltage is low | Allow the UPS to charge the batteries |
because the UPS has been | for 24 hours. Initiate a |
Bad Battery/Low Battery LED does not | |
| turn off, replace the batteries. |
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The battery is disconnected. | Install the battery pack. If the battery |
| pack is installed, remove the pack and |
| then insert it again. |
The Site Wiring Fault Indicator (
) is flashing red.
No ground connection exists between utility power and the UPS or the line and neutral wires are reversed in the wall outlet.
Contact a qualified electrician to correct the wiring.
| The UPS voltage configuration | Update the configuration. |
| is incorrect. |
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The Overload LED is | Protected devices are | Remove one or more devices to |
red. | exceeding the UPS power | reduce the power requirements. |
| rating. |
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| The UPS may switch from utility | Verify that the devices are not |
| to battery power. | defective. |
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All LEDs are flashing | An internal UPS fault condition | Power down the UPS. Contact an |
red and an audible | exists. | authorized service representative. |
alarm cannot be silenced.
continued
HP Uninterruptible Power System R1500 XR Models User Guide |
