East EA900IIRT 1000VA User Manual

Contents

East EA900IIRT 1000VA User Manual Manual pdf 17 page image

- 17 -4.3 Battery modeLED indications on front panel on battery mode are as following: both the inverter green LED andbattery yellow LED are on, the buzzer beeps once every 4 seconds. The warning red LED is on whenbeeping.When the mains power down or instable, UPS will turn to battery mode at once.4.4 ECO modeLED indications on front panel on ECO mode are as following: both the inverter green LED andbypass yellow LED are on.When the input mains meets the input range of the ECO mode and start the ECO function, the UPSwill works on ECO mode. If input AC mains exceeds the range of ECO several times in a row in aminute but stays in inverter input range, UPS will work on AC inverting mode automatically.4.5 Fault modeLED indications on front panel on Fault mode are as following: warning red LED is on and LCDdisplay fault code and related icon.FAULTFault mode (LCD interface on which the fault code display)When UPS has fault. The warning LED is on and the buzzer beeps. UPS will turn to fault mode. UPScuts off the output and LCD display fault codes. At the moment, you can press the mute key to makethe buzzer stop beeping temporarily to wait for maintenance. You can also press the OFF key to shutdown the UPS when confirm that there is no serious fault.