If your Janome Memory Craft 8000 is having a technical problem, resetting the machine may help. Resetting or recalibrating your machine is helpful if the screen goes blank or is no longer responding to selections.
Turn the machine off, and then press the start button, reverse button and auto lock button at the same time.
Turn the machine back on while still pushing the three buttons. After the machine has powered on, release the buttons.
Press the + sign at the bottom of the screen, continue pressing each + sign as it appears. The machine will display a "Test Complete" message, turn off your machine.
Wait 5 to 10 seconds before powering your machine back on, your machine will run through a diagnostic test and repair any issues it finds.