47
Problem: Cause: Reference:
Pattern selection keys 1 Key position is not adjusted properly. See page 18.
do not work. 2 The control circuit is not working correctly. Turn the switch off and
turn it on again.
3 The bobbin winder spindle is in the winding position. See page 7.
USB memory 1 The USB memory is not inserted correctly. See pages 41
does not work 2 The USB memory is damaged. See page 18