Company EME , New website http://int-mart.com
Troubleshooting Table :
Problems
Possible cause
Solution
Can not work in mains mode.
Alarm every 4 second.
Mains failure
Check the AC voltage and frequency.
Fuse burned on the board or on rear panel
Change the fuse and reset.
When the mains failure output will be disconnect.
Battery charge is not enough
Recharging for 6 hours then test again.
Battery damaged
Replace battery
No output
Overload or short circuit
Check output and load size
Battery discharging is less than standard
Recharging for 6 hours then test discharging time
Overload
Check load size
Replace battery.