Operation (Special Conditions) (continued)
OPERATION ON OVERLOAD
When the UPS detects an output overload, it will commence a countdown (the length of time depending on the severity of the overload). If the UPS is still overloaded at the end of the countdown, the UPS will automatically shut down and go into Bypass Mode.
Overload Condition | LCD Display Message | Countdown to Shutdown |
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102% - 125% | OVERLOAD 102% | 1 minute |
| LOAD=XXX% X.XXKW |
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125% - 150% | OVERLOAD 125% | 30 seconds |
| LOAD=XXX% X.XXKW |
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>150% | OVERLOAD 150% | 2 seconds |
| LOAD=XXX% X.XXKW |
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BATTERY CHARGE WARNINGS
Since your UPS can provide battery backup only for as long as the batteries remain charged, these warnings should be acted on immediately.
Battery Charge Warning | LCD Display Message |
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Battery charge nearly depleted | BATTERY LOW |
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Low battery shutdown | LOW BATTERY! SHUT DOWN… |
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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 |
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Extended Overload (>150%) | OVERLOAD XX% |
| SHUT DOWN… |
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Output Short Circuit | SHORT CIRCUIT! |
| SHUT DOWN… |
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Remote Shutdown Command | REMOTE |
(from DB9 interface) | SHUT DOWN… |
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Remote Shutdown Command | EMERGENCY STOP! |
(from RJ11 interface) | SHUT DOWN… |
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Internal Faults | INVERTER TOO LO |
| SHUT DOWN… |
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| INVERTER TOO HI |
| SHUT DOWN… |
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| DC BUS +/- HIGH/LOW |
| SHUT DOWN… |
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| OVER TEMPERATURE |
| SHUT DOWN… |
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