Emerson 40-200KVA Mode D'Emploi

The Control Buttons on the front panel may be used to shut down the UPS completely, turn the 

inverter On or Off, restart the UPS after a fault and silence the alarm, as shown in Figure 55. The 

function of each button is described in Table 28.

Completely shuts down the UPS, including the static switch.

CAUTION: Use caution before pressing the Emergency Power Off (EPO) button. This button 

completely shuts down the unit and cuts off power to the critical load.

Press this button to shut down the inverter during operation. The load will be transferred to 

static bypass.

After the UPS shuts down due to a fault and the alarm condition has been resolved, press 

this button to clear the fault and restart the UPS.

Press this button once to silence the alarm buzzer when an alarm is active. Any new fault will 

sound the buzzer again.

If the alarm buzzer is not beeping, press this button to test the alarm sound.

Press this button to start the inverter and transfer from static bypass to inverter.

NOTE: If the inverter is not ready, this will not activate the UPS.

Silence On/Off button

INVER TER  ON

SILENC E ON/ OFF

INVER TER  OFF

FAULT C LEAR

EPO

LED1

LED2

LED3

LED4

LED5

STATUS

F2

F4

HELP

F1

F3

?

Button cover
EPO button

Inverter On button

Inverter Off button

Fault Clear button