PROBLEM AND/OR POSSIBLE |
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| SOLUTION | |
CAUSE |
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THE BYPASS LED IS ILLUMINATED |
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The UPS has briefly directed | Nothing. This is a normal behavior of the UPS during startup. | |||
power around the power proc- |
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essing module during a startup |
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sequence. |
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The UPS has directed power | Replace the power processing module (See Storage, Maintenance, | |||
around the power processing | Transporting, and Service). |
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module because of an internal |
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fault. |
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THERE IS NO UTILITY POWER |
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There is no utility power and | Use the Cold Start feature to supply power to the connected equipment from | |||
the UPS is off. | the UPS battery. |
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| Press the | button for one second and release. The UPS will beep briefly | ||
| and go quiet. Press and hold the | button again, but for about three sec- | ||
| onds. The unit will emit a sustained beep. Release the button during this | |||
| beep. This will supply immediate power to the UPS and the connected | |||
| equipment. |
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UPS OPERATES ON BATTERY ALTHOUGH NORMAL LINE VOLTAGE EXISTS | ||||
230 V models and 1500VA, | To reduce the load on the UPS, unplug equipment and reset the circuit | |||
120 V model only: UPS input | breaker. |
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circuit breaker tripped. |
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Very high, low, or distorted | Move the UPS to a different outlet on a different circuit, as inexpensive fuel | |||
line voltage. | powered generators may distort the voltage. Test the input voltage with the | |||
| utility voltage display (see Operation). If acceptable to the connected | |||
| equipment, reduce the UPS sensitivity. | |||
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BATTERY CHARGE AND BATTERY LOAD LEDS FLASH SIMULTANEOUSLY | ||||
The internal temperature of | Check that the room temperature is within the specified limits for operation. | |||
the UPS has exceeded the | Check that the UPS is properly installed, allowing for adequate ventilation. | |||
allowable threshold for safe | ||||
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operation. | Press the black switch on the front of the power processing module to the | |||
| right. This will shut down the power processing module, leave the UPS on | |||
| and in bypass mode, while confirming whether the high temperature is still | |||
| present. |
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15
