Charge Controller Status Lights
The Solar EV Systems MPPT - Maximum Power Point Tracking Solar Battery Charger a status LED.
When you first connect your charger to the battery, The LED will blink red and then green for
approximately one second, so that you can confirm that the LED is operational. During operation, the
LED blinks green to indicate that your charger is powered and charging, and the LED may blink red to
indicate errors.
Green LED:
Short blinks every 2 seconds:
Standby - the battery is connected properly and ready to charge
when solar panel power is available.
Short blinks half second rapid flashing:
Charging (low current, input current less than ~3.5A):
Long blinks:
Charging, high current, input current more than ~3.5A
Long then short blink:
The controller is overloaded and limiting input current. Check the solar
panel(s) rating is within the charge controllers input specification or contact Solar EV Systems.
Solid / Constant On:
Battery is fully charged.
Red LED:
Two Blinks:
Controller’s internal temperature is too high
Three Blinks:
Controller is overloaded
– can be caused by changing the solar panel connections
while under load or controller is operational.
Four Blinks:
The controller cannot begin charging due to low battery voltage. Charge the battery by
some other means before use.
Five Blinks:
The controller cannot begin charging due to low battery voltage. Charge the battery by
some other means before use.
Two Long Blinks followed by Two Short Blinks:
Internal Error
– Contact Solar EV Systems.
We are committed to serving your solar transportation and portable battery charging needs.
Feedback is always welcome on our products.
For technical help or sales please contact your local dealer or
Solar EV Systems LLC at 352.377.9554
Please visit www.SolarEVsystems.com additional support and to browse our expanding product line.
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