②
The effect file in the SD card and the controller model are not match, please choose correct controller
model in LedEdit and then re-create the effect file *led.
③
SD card did not format to FAT before copy effect files.
④
Please check the supply power voltage, the controller can be individually powered to exclude power
reasons
⑤
Changing the SD card and then test to exclude the possibility of a bad SD card
Question 2
: The controller is powered on, the indicator is normal, but the lamps have no effect change
Answer:
The reasons for this are as follows:
①
Check if the lighting
′
s signal line and the controller connected correctly
②
If the TTL signal is received, the lamp and the controller must be common ground, that means
connect the lighting
′
s and the controller
′
s ground together
③
Check if the model chose during making display files on the SD card match the chips used in the
lighting
