6. FAULT MANAGEMENT
Error code
No sign on the LCD when there
is enough sunlight
Solar panel is disconnected
No sign on the LCD when
con-nection is rig
1. Battery voltage is less then 8v
2. Voltage of solar panel is less
than battery voltage
Battery Over-discharge
Cause Correction
Check if connection of solar in-put is
right and contact is reliable
Load output is turned o auto-ma-
tically and recovers when battery
electricity is enough
Over voltage of storage battery
Please check whether the battery
voltage exceeds the voltage and
reconnect the solar panel.
Over-load
Reduce load or check load con-nec-
tion
1. Check battery voltage. Con-troller
will start only Battery voltage is more
than 8v
2. Voltage of solar panel must be more
than battery voltage
Over-temperature
Make the controller cool down and
restart charging automatical-ly
Input voltage of solar panel
is too high
Check power of solar panel and
reduce quantities of solar panel in
parallel
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