The light on my JUUL flashes rainbow colors? Remove the JUULpod and reinsert it to reset the device. If you continue to have problems, please contact the JUUL Care team. Related articles The light on my JUUL blinks yellow 5 times? The light on my Limited edition JUUL Device blinks blue 5 times? My JUUL Portable Charging Case isn’t charging My JUUL lights up and creates vapour when I am not using it? Can you please tell me everything about your Auto-Ship program?