If you connect to WiFi unsuccessfully, Please check as followsInstructions before downloading the appBefore using LDSOLAR products, please confirm that the selected product matches the iConnect app. For WIFI 2.0 version controllers, please download iConnect V2.0 or higher; For WIFI version controller, please download iConnect V1.7 or below; For Bluetooth version controller, All iConnect version can be downloaded and used.

As mentioned beforeIf PWM solar controller is selectedThe voltage of solar panel should match the voltage of controller and batterySo let's explain the knowledge of series and parallel connection

1.If you choose MPPT controller ,you have more choice to match different items of solar panel.2.MPPT controller has higher solar input voltage3.The disadvantage of choosing an MPPT controller is the higher cost than a PWM controller.

How to connect the controller with WiFi networking IOT mode?

The phenomenon that the load end of the controller cannot work normally and the handling methodThe system is connected normally, the controller shows normal charging, but there is no load discharge arrow icon, and the load bulb does not light up

Over-current protection phenomenon and solution

How to choose your right controller for your solar system-1How to choose PWM and MPPT controllerWhen choosing and using solar controllersDo you have any doubts as follows1.When choosing a solar controller, I don't know how to choose the right controller to match your solar panel.2.I don't know how to choose the suitable system voltage.3.When choosing MPPT controller, I do not know how the solar panels are connected in series or in parallel to ensure the maximum input voltage range allowed by the controller

From the previous explanation, we know that if We choose MPPT solar controller, the voltage of solar panel can not match with battery and controller ,that is to say the voltage of solar panel can be higher than the battery voltage, but cannot exceed the maximum input voltage Voc of the selected MPPT controller.

Battery overvoltage protectionThe controller is now in overvoltage protection stateThe battery is full and the warning sign flashes

Check the LCD screen, the warning icon and temperature icon flashPress the up key/menu key to come to the temperature display interfaceCheck that the current controller temperature is 83°,more than 75°Means that the controller is now over-temperature protected

Low voltage protection phenomenon and solutions