Troubleshooting
Problem and/or Possible Cause | Solution | |
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There is no utility power |
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There is no utility power and the UPS is | 120/230 V models only: Use the cold start feature to supply power to the | |
off. | connected equipment front the UPS battery(s). | |
| Press and hold the Test button. There will be a short beep followed by a | |
| longer beep. Release the button during the second beep. | |
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UPS operates on battery although line voltage exists | ||
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The UPS input circuit breaker trips. | Unplug all nonessential equipment from the UPS. | |
| Reset the circuit breaker. | |
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Your system is experiencing very high, | Move the UPS to a different outlet on a different circuit: Inexpensive fuel | |
low or distorted line voltage. | powered generators may distort the voltage. Test the input voltage with the | |
| utility voltage display, (see Operation in this manual). If acceptable to the | |
| connected equipment, reduce the UPS sensitivity. | |
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Battery Charge and Load LEDs flash simultaneously | ||
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The UPS has shut down. | Check that the room temperature is within the specified limits for operation. | |
The internal temperature of the UPS has | Check that the UPS is properly installed, allowing for adequate ventilation. | |
exceeded the allowable threshold for | Allow the UPS to cool down. Restart the UPS. If the problem persists, | |
safe operation. | ||
contact APC at www.apc.com. | ||
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Diagnostic utility voltage |
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All five LEDs are illuminated. | The line voltage is extremely high and should be checked by an electrician. | |
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There is no LED illumination. | The line voltage is extremely low and should be checked by an electrician. | |
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On Line LED |
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There is no LED illumination. | The UPS is running on battery, or it must be turned on. | |
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The LED is blinking. | The UPS is running an internal | |
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