Epsolar LandStar LS0524R, Instruction Manual, Page: 27 / 40

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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
Red Battery
LED indicators
SLOWLY
FLASHING
Battery under
voltage
Load output is
normal,, charging
LED indicator will
return to red
automatically when
fully charged.
Red Battery
LED indicators
FAST
FLASHING
and
loads not working.
Battery
over discharged
The controller cut
off the output
automatically, LED
indicator will return
to red automatically
when fully charged.