First, turn off the remote and do not touch the remote trigger.
Second, stick the remote synced hole and turn the remote on at the same time - Do not touch the remote trigger!
If the remote single light is green and board battery on remote LED light showed full, then the remote is back working.
If the remote single light is red
Then you need to try it a few more times. If this still doesn’t work, get in touch with our customer service team for help.