Fig 3.4-1 Line Mode Fig 3.4-2 Battery Mode
5. Display and alarm for overload
The alarm will sound once every 0.5 seconds during an overload condition. While in inverter mode, the alarm can be
silenced by pressing the “OFF” button. In the Battery Test mode, the UPS will go to BYPASS immediately and the
alarm will sound continuously.
Fig 3.5-1 Bypass Mode Fig 3.5-2 Inverter Mode
Fig 3.5-3 Battery Mode Overload Fig 3.5-4 Battery Test
6. Alarm for WEAK BATTERY or BAD BATTERY
(A) WEAK BATTERY - when the battery voltage goes below 215V, the Battery LED will flash.
(B) BAD BATTERY - If the battery voltage falls below 140V, an alarm will sound continuously. The Battery LED will
flash and the FAULT LED will illuminate and the UPS will stay in INVERTER mode. If AC line power fails during this
condition, the UPS will shut down.
Fig 3.6-1 Weak Battery Fig 3.6-2 Bad Battery
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