E2
Battery over
voltage
Please check right connection and
voltage of the battery
Bat
twinkle
Solar panel
indicator
twinkle fast
E3
Battery over
discharge
Ensure the input voltage of the
battery is normal.
Recover auto after full charge
Bat
twinkle
--
E4
Excessive
charging
current
Please check the solar panel power
whether exceed the controller’s
rate power
Pv
twinkle
--
E7
Load short
circuit
Ensure the output line of the load
not have short circuit.
After eliminate the faults then
long press the key or hold on it
will recover automatically.
Load
twinkle
Load
indicator
twinkle fast
E8
Overload
Please check the load power
whether exceed the controller’s
rate power. After decrease the load
then long press the key or hold on
it will recover automatically.
Load
twinkle
Load
indicator
twinkle
slow
E9
Battery
overheat
Please check the battery
temperature overheat or not.
Place the controller to ventilation
environment. Controller will close
charging and auto recover after
temperature decrease.
Bat
twinkle
Solar panel
indicator
twinkle fast
13. Parameters instruction
Parameter
Value
System voltage
12V/24V/36V/48V
Rate charging current
45A/30A
Rate load current
45A/30A
No load loss
＜
12mA
Charging circuit voltage drop
Less or equal to 0.5V
Discharge circuit voltage drop
Less or equal to 0.5V