have not switch voltage on If the UPS operates at Utility battery mode, Utility voltage please pay 4 LED is exceeds attention to the flashing UPS input remaining range. backup time needed for your system. Battery breaker does not Switch on the switch on, battery breaker. If or batteries are Battery batteries damaged, need LED is are to replace whole flashing damaged, group batteries, but or battery Connect the 5 no charge is battery cables voltage reversely correctly; and connected. Go to LCD current Battery setting of the number battery number and and capacity, set capacity the correct data. are not set correctly. Buzzer beeps every 0.5 seconds Remove some Overload 6 and LCD load display “output overload” The UPS is set to Set the UPS ECO working mode to The UPS mode, or UPS only the or to 7 works on transfer reset the times of bypass times to transferring to mode bypass bypass or re-start mode are the UPS limited. Battery the battery switch is switch: not Change the fuse: Cannot properly Recharge the 8 Black closed: battery: start Battery Power ON the fuse is not UPS with AC to open: set the battery
have voltage not switch on 4 Utility LED is flashing Utility voltage exceeds UPS input range. If the UPS operates at battery mode, please pay attention to the remaining backup time needed for your system. 5 Battery LED is flashing but no charge voltage and current Battery breaker does not switch on, or batteries are damaged, or battery is reversely connected. Battery number and capacity are not set correctly. Switch on the battery breaker. If batteries are damaged, need to replace whole group batteries, Connect the battery cables correctly; Go to LCD setting of the battery number and capacity, set the correct data. 6 Buzzer beeps every 0.5 seconds and LCD display “output overload” Overload Remove some load 7 The UPS only works on bypass mode The UPS is set to ECO mode, or the transfer times to bypass mode are limited. Set the UPS working mode to UPS or to reset the times of transferring to bypass or re-start the UPS 8 Cannot Black start Battery switch is not properly closed: Battery fuse is not open: the battery switch: Change the fuse: Recharge the battery: Power ON the UPS with AC to set the battery