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5.2 Failure and Correction
Failure
No
sign
on
LCD
initialization
No charging current
Load not work
Load not switched on at
preset point
Correction
Make sure no reverse connected battery.
Make sure connection between battery and controller is good.
Make sure circuit of battery switched on.
Make sure fuse protector connected.
Make sure no reverse connected solar panel.
Make sure connection between solar panel and controller is
good with no open circuit.
Make sure there 's no reverse connected Joad.
Make sure controller is not in protection against overload, short
circuit, under-voltage or overvoltage.
Make sure Joad controlling mode is correctly set.
Make sure battery voltage not too low.
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