ODM & OEM Service

LCD no display and processing method

Solar panel over voltage protection phenomenon and solution

Over-temperature protection phenomenon and solution

Over-current protection phenomenon and solution

This video uses the MPPT series TD2307 controller as an example

Low voltage protection phenomenon and solutions

Over voltage protection phenomenon and solutions

TD75V series LED indicator meaning under charging status

In this video, we introduce the meaning of the TD75V series solar panel charging status indicator in different flashing modes

Overvoltage protection situation and solutions

Battery overvoltage protection

The controller is now in overvoltage protection state

The battery is full and the warning sign flashes

Over-temperature protection phenomenon and solution

Check the LCD screen, the warning icon and temperature icon flash

Press the up key/menu key to come to the temperature display interface

Check that the current controller temperature is 83°,more than 75°

Means that the controller is now over-temperature protected

Not charging phenomenon and solutions

After the system is connected, the controller indicator flashes slowly or does not flash.

There is no charging indicator arrow on the LCD screen, and it is not charging normally at this time

The phenomenon that the load end of the controller cannot work normally and the handling method

The 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

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