4.7inch Epaper FAQ

You may have encountered these problem while using 4.7 inch Epaper

Problem	Solutions
The screen doesn't refresh.	1.  Please re-plug the wires to make sure whether the contact is bad or not. 2. Try to re-run our factory program or firmware to determine whether the board can be properly refreshed. 3. If it still doesn't work, look at the serial output. 4. Check whether the wires are connected properly, to check whether it is a board problem or a screen problem. 5. With battery holder only connect to USB, and try to refresh our example to see if there is any refresh.
Screen has residual shadows that can't be cleared.	Please try writing our example. then let the program run for a while and see if the residual shadow can be eliminated, if it still doesn't work, then the screen is probably damaged, please take a video or picture for us to check, we will provide you with a solution.

If the above description can help you that would be great, if you need help with a problem that is not on this page, please send a detailed description of the problem and order number to ‘orders@lilygo.cc ’.

(If you can attach some pictures or videos that can illustrate the problem, it will be very helpful for our engineers to help you to see the problem and help you to solve the problem more quickly).