Troubleshooting
Indicator Legend
Unlit
Lit
Flashing
Table 9. Troubleshooting
Alarm or Condition | Possible Cause | Action |
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The µindicator is not | The power cord is not | Check the power cord connections. |
on; the UPS does not start. | connected. |
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| The wall outlet is faulty. | Have a qualified electrician test and repair the outlet. |
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The UPS operates in Battery mode | The input overcurrent | Save your work and turn off your equipment. Turn off |
only, even though normal utility | protector is open. | the UPS. Reduce the load, then press the input |
power is present. |
| overcurrent protector on the UPS rear panel. |
UPS does not provide the expected | The battery may be fully | |
backup time. | discharged because of: | |
| S | |
| S | frequent power outages |
| S | end of battery life |
Plug the UPS into a power outlet for 24 hours to charge
the battery. Press the 
button, if the alarm beeps, see “Replacing Batteries” on page 18 to replace the battery.
During extended power outages, turn off the UPS after saving your work and shutting down your computer to conserve battery charge.
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| Normal operation. | None. The UPS is operating in Normal mode and |
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| automatically provides consistent voltage with the |
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| Buck and Boost feature. |
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| 1 beep every 4 seconds. | Utility power failure. | The UPS is powering your equipment with its internal |
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| battery. If this is an extended power outage, save your |
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| work and turn off your equipment to conserve battery |
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| power. |
1 beep every 2 seconds. | The battery is running low. |
2 minutes or less of battery power remains (depending on load and battery charge).
Prepare for a shutdown. Save your work and turn off your equipment. The alarm cannot be silenced.
28 | Powerware® 5115 User’s Guide S www.powerware.com |