Instruction manual

17
5.2 Troubleshooting
Trouble Shooting Table 5-1
Faults
Possible reasons
Troubleshooting
Charging LED indicator off
during daytime when sunshine
falls on PV modules properly.
PV
array
disconnection
Check that PV and battery
wire connections are
correct and tight.
Green charging LED indicator
fast flashing
Battery voltage
higher than over
voltage disconnect
voltage(OVD)
Check if battery voltage
over high. Disconnect the
solar module
Battery
LED indicators orange
Battery
under voltage
Load output is normal,
charging LED indicator
will return to green
automatically when fully
charged.
Battery LED indicators RED
color and loads not working.
Battery
over discharged
The controller cut off the
output automatically, LED
indicator will return to
green automatically when
fully charged.