1. Installation issues
Possible causes:
Check whether the cable joint is inserted properly or inserted reversely
Check whether the pin header in cable joint has curve or loose pins
Check whether the cable is crushed, broken or distorted during installation
Solutions:
Pull out the cable joint and plug properly.
Straighten the curved pin and reinsert. If the pin header is loose, please reinsert the pin header properly.
Change the broken cable
2. User environment
Possible causes:
Check if there is metal iron fillings on the rear PCB that causes short circuit
Check if there is fireproof power on the USB port that causes short circuit
Solutions:
Remove metal iron fillings
Clean the fireproof power using cotton swab/ replace the USB port