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18
System Status Troubleshooting
Troubleshoot
Flashing
Flashing
Other Considerations
Use a multi-meter to check the voltage of the battery.
Make sure the battery voltage is not exceeding the rated
specification of the charge controller. Disconnect battery.
Confirm that there is a tight and correct connection from
the battery bank to the charge controller and the solar
panels to the charge controller. Use a multi-meter to
check if the polarity of the solar modules have been
reversed on the charge controller’s solar terminals.
Check the rated battery voltage. The LCD will not display
on the charge controller unless there is at least 9V
coming from the battery bank.
Everything is connected
correctly, but the LCD on
the controller does not
turn on
Charge controller does not
charge during daytime
when the sun is shining on
the solar panels.
Use a multi-meter to verify the rated battery voltage.
Disconnect any loads connected to the battery to allow it
to charge.
Battery over
voltage
Battery under
voltage
Indicator Description
Error Codes
DescriptionError Number
E0
E01
E02
E06
E07
E08
E10
E13
E14
No error detected
Battery over-discharged
Battery over-voltage
Controller over-temperature
Battery over-temperature
PV input over-current
PV over-voltage
PV reverse polarity
Battery reverse polarity
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