Qoltec 53880 User Manual - page 3
Display, control and warning details
Normal working interface
Detail display
Buzzer working status description
Working status
Description
When network voltage is abnormal, switch to the battery mode
Beeping one time
Battery working is low, voltage or output overload
Beeping every second
Protection or output abnormal
Beeping hurriedly
Network voltage input is normal, AVR supply in output
Network voltage input is abnormal, battery through inverter supplies AC output
Temperature is too high, device cuts off output
Battery over voltage, short circuit, high MOSFET’s temperature
Network voltage input is over voltage
Network voltage input has low voltage
Loading exceeds device’s rated power
Loading bar is showing the loading situation
Battery bar is showing the battery capacity, while charging the bar will be flashing
Input voltage indication
Output voltage and frequency indication