8
16
TROUBLE SHOOTING
Problem
Possible Cause
Remedial Action
No LCD display
Battery voltage is low
Re-charge the battery and check if the
battery cables are well-connected
Battery is defective
Replace the batteries
Power button is not pressed
Press and hold the power button
Mains are normal but works in backup
mode
AC input is absent
Check the connection of AC input
Backup time is short
Overloading
Disconnect non-critical loads
Battery voltage is too low
Re-charge battery for at least 8 hours
Battery is bad
Replace good quality batteries
Alarm buzzer beeps continuously
Inverter entered into fault mode
Refer to the fault code to identify the fault
and report to service representative for
further assistance
Solar are normal but Solar charger
doesn’t work
PV reverse polarity protection
Re-connect the PV terminals
Some parts wrong
Refer the fault and warning code
