PROBLEM AND/OR POSSIBLE |
| SOLUTION |
CAUSE |
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THE OVERLOAD LED IS ILLUMINATED AND THE UPS EMITS A SUSTAINED ALARM TONE | ||
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The UPS is overloaded. The |
| The connected equipment exceeds the specified “maximum load.” |
connected equipment is draw- |
| The alarm remains on until the overload is removed. Disconnect nonessen- |
ing more VA than the UPS can |
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| tial equipment from the UPS to eliminate the overload. | |
sustain. |
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| The UPS continues to supply power as long as it is | |
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| breaker does not trip; the UPS will not provide power from batteries in the |
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| event of a utility voltage interruption. |
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| If a continuous overload occurs while the UPS is on battery, the unit turns |
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| off output in order to protect the UPS from possible damage. |
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THE REPLACE BATTERY/BATTERY DISCONNECTED LED IS ILLUMINATED | ||
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This LED flashes and a short |
| Check that the battery connector is fully engaged. |
beep is emitted every two sec- |
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onds to indicate the battery is |
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disconnected. |
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Weak battery. |
| Allow the battery to recharge for 24 hours. Then, perform a |
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| problem persists after recharging, replace the battery. |
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Failure of a battery |
| The UPS emits short beeps for one minute and the replace battery LED |
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| illuminates. The UPS repeats the alarm every five hours. Perform the self- |
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| test procedure after the battery has charged for 24 hours to confirm the |
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| replace battery condition. The alarm stops and the LED clears if the battery |
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| passes the |
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THE SITE WIRING FAULT LED ON THE REAR PANEL IS ILLUMINATED | ||
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The UPS is plugged into an |
| Wiring faults detected include missing ground, |
improperly wired utility power |
| and overloaded neutral circuit. |
outlet. |
| Contact a qualified electrician to correct the building wiring. |
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THE INPUT CIRCUIT BREAKER HAS TRIPPED | ||
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The UPS is overloaded. The |
| Reduce the load on the UPS by unplugging equipment. Press in the plunger |
plunger on the circuit breaker |
| on the circuit breaker. |
has popped out. |
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UPS OPERATES ON BATTERY ALTHOUGH UTILITY VOLTAGE EXISTS | ||
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The UPS input circuit breaker |
| To reduce the load on the UPS, unplug equipment and press in the plunger |
has tripped. |
| on the circuit breaker. |
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The line voltage is very high, |
| Move the UPS to a different outlet on a different circuit, as inexpensive fuel |
low or distorted. |
| powered generators may distort the voltage. If acceptable to the connected |
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| equipment, reduce the UPS sensitivity (see User Configurable Items). |
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There is no 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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11
