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GE

7.2.4 Restore to normal operation after EPO (Emergency Power Off)

UPS panel after activation of EPO (Emergency Power Off) with Utility not available, i.e. complete shutdown of the UPS. In this case wait until Utility is again available, then proceed to restart the UPS as described below. Points 1 through 3.

UPS panel after activation of EPO (Emergency Power Off) with Utility available.

All Contacts are open;

Rectifier, Inverter and Static-Switch shutdown.

1.Reset the EPO (Emergency Power Off) button.

Press mute, to reset alarm and buzzer.

2.Press inverter off( O ) key.

Rectifier starts with blinking LED.

At the end of Soft-start the LED remains lit.

The LCD screen shows: LOAD OFF”.

3.Press inverter on( I ) key.

Inverter starts with blinking LED.

At the end of Soft-start the LED remains lit.

UPS output LED and LCD screen indicate both:

LOAD ON INVERTER”.

End of procedure

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Operating Manual SG Series 10, 20, 30 & 40 kVA