Brother HE-800A Instruction Manual page 8

16-18. Imperfect cutter function
(imperfect material cutting) ....................... 104
16-19. Cutter does not return .............................. 105
16-20. Cutter and upper thread scissors touch ... 105
16-21. Seam is cut .............................................. 105
16-22. Upper thread mis-winding ........................ 106
16-23. Work clamp is not raised (1) Pulse motor
stepping sound cannot be heard .............. 106
16-24. Work clamp is not raised (2) Pulse motor
stepping sound can be heard ................... 107
16-25. Lower thread is not trimmed
(pulls when material is removed) .............. 108
16-26. Feed mechanism does not operate or
motor is out of step ................................... 108
16-27. Needle does not zigzag or noise occurs
when needle zigzags ................................ 109
16-28. Sewing machine stops during sewing ...... 109
16-29. Upper shaft does not rotate as far as
the needle up stop position....................... 109
HE-800A