This article describes how to troubleshoot 1 stripe in the same place.
1. Open the back door of the Ripple Maker, remove the metal piece blocking the Y-axis from moving:
Example of a piece of metal:
Make sure nothing else is blocking the Y-axis from moving.
How the backboard should look:
2. Turn off and back on:
Press the power button until the white light turns off.
If the problem persists please contact Ripples' support- email@example.com or call your local support number.