Operation (Special Conditions)
OPERATION ON BYPASS—VOLTAGE OUT OF RANGE
While in Bypass Mode, the UPS monitors the input voltage, which on Bypass equals the output voltage. If the output voltage passes out of an acceptable range (between 15% higher and 20% lower than nominal), the UPS displays the condition on its LCD and stops supplying output power to its load. If power levels return to an acceptable level, the UPS resumes supplying power to the load, and its LCD reports that output voltage was too high or too low at one time, but has returned to nominal.
Bypass Voltage Condition | LCD Display Message |
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>15% Higher than Nominal | BYPASS HI NO O/P |
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>20% Lower than Nominal | BYPASS LO NO O/P |
Was Too High, Now Nominal | BYPASS WAS HI |
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Was Too Low, Now Nominal | BYPASS WAS LO |
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INVERTER ON WARNINGS
When the inverter is ON, the LCD Display may show any one of the following warnings:
Condition | LCD Display Message |
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UPS Output Overload | OVERLOAD 110% |
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UPS Charger Failure | CHARGER FAILURE |
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Abnormal Input Frequency | FREQUENCY ERROR |
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Abnormal Input Phase | PHASE ABNORMAL! |
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Battery is Depleting* | ON BATTERY |
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Battery Charge is Nearly Depleted* | BATTERY LOW |
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* During a prolonged blackout, users should save files and shut down connected equipment.
The “BATTERY LOW” message indicates the UPS's batteries are nearly out of power and UPS shut down is imminent.
OPERATION UNDER SHUTDOWN
Your UPS will shut down and the LCD will display a message if it detects one of the following conditions. Note: For all conditions, the “Input,” “Output” and “Bypass” LEDs will be illuminated.
Condition | LCD Display Message |
|
|
Overload Shutdown | ON BYPASS |
| OVERLOAD 150% |
| SHUTDOWN... |
| VERSION: XXXXXXX |
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UPS Output Short Circuit | ON BYPASS |
| SHORT CIRCUIT! |
| SHUTDOWN... |
| VERSION: XXXXXXX |
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Overtemperature | ON BYPASS |
| HIGH TEMP! |
| SHUTDOWN... |
| VERSION: XXXXXXX |
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DC BUS Overvoltage | ON BYPASS |
| DC BUS O.V.P.! |
| SHUTDOWN... |
| VERSION: XXXXXXX |
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DC BUS Failure | ON BYPASS |
| DC BUS FAIL! |
| SHUTDOWN... |
| VERSION: XXXXXXX |
Condition | LCD Display Message |
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R/S/T Inverter Output Failure | ON BYPASS |
| R OUTPUT FAIL! |
| SHUTDOWN... |
| VERSION: XXXXXXX |
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Low Battery | BYPS OFF NO O/P |
| LOW BATTERY! |
| SHUTDOWN... |
| VERSION: XXXXXXX |
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Remote Shutdown | BYPS OFF NO O/P |
| REMOTE SHUTDOWN |
| SHUTDOWN... |
| VERSION: XXXXXXX |
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Emergency Stop | BYPS OFF NO O/P |
| EMERGENCY STOP! |
| SHUTDOWN... |
| VERSION: XXXXXXX |
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