Operation Manual
Page 73
... retailer or the nearest authorized service center. APPENDIX / ANEXO Troubleshooting If the machine stops working properly, check the following possible problems. If the problem is scratched. The upper thread breaks. Turn on the main power switch. The needle is loose. Use the foot controller ...properly. The needle clamp screw is not fitted properly. Loosen the upper thread tension. The upper thread tension is pushed Move the ...
... retailer or the nearest authorized service center. APPENDIX / ANEXO Troubleshooting If the machine stops working properly, check the following possible problems. If the problem is scratched. The upper thread breaks. Turn on the main power switch. The needle is loose. Use the foot controller ...properly. The needle clamp screw is not fitted properly. Loosen the upper thread tension. The upper thread tension is pushed Move the ...