Brother HE-800A THE DIP SWITCHES, THE MEMORY SWITCHES, 16. TROUBLESHOOTING, 14. ERROR CODE TABLE, 15. GAUGE PARTS LIST, 10. STANDARD ADJUSTMENTS, 9.CLEANING AND MAINTENANCE

9.CLEANING AND MAINTENANCE .........	69
9-1. Cleaning .........................................................	69
9-2. Draining the oil................................................	70
9-3. Cleaning the control box air inlet port.............	70
9-4. Cleaning the eye guard ..................................	70
9-5. Checking the needle.......................................	71
9-6. Cleaning the length feed plate........................	71
10. STANDARD ADJUSTMENTS ............	72
10-1. Adjusting the needle bar height....................	72
10-2. Adjusting the needle and hook timing ..........	73
10-3. Adjusting the clearance between needle
and hook point ..............................................	73
10-4. Adjusting the inner rotary hook and
rotary hook holder overlap............................	74
10-5. Adjusting the work clamp pressure ..............	74
10-6. Adjusting the cutter installation.....................	74
10-7. Adjusting the upper thread trimming ............	75
10-7-1. Adjusting the installation height of
the upper thread scissors..................	75
10-7-2. Adjusting the upper thread scissors
opening timing...................................	76
10-8. Adjusting the lower thread clamp timing.......	77
10-9. Adjusting the bobbin presser........................	77
10-10. Adjusting the needle up stop position.........	77
11. CHANGING FUNCTIONS USING
THE MEMORY SWITCHES................	78
11-1. Memory switch table.....................................	79
12. PROGRAM INITIALIZATION..............	80
12-1. Initializing all programs.................................	80
12-2. Initializing a single program..........................	80
13. CHANGING FUNCTIONS USING
THE DIP SWITCHES ..........................	81
13-1. Panel DIP switches.......................................	81
13-2. Circuit board DIP switches ...........................	83
14. ERROR CODE TABLE.......................	85
15. GAUGE PARTS LIST .........................	89
16. TROUBLESHOOTING........................	92
16-1. Upper thread breakage.................................	92
16-2. Skipped stitches ...........................................	93
16-3. Uneven seams (1) ……
At the sewing start.....................................	94

16-4. Uneven seams (2) ……
Lower thread is lifted up at
the sewing start .........................................	95
16-5. Uneven seams (3) ……
Seam lifts up at the sewing start................	96
16-6. Uneven seams (4) ……
Uneven sewing pitch at the sewing start ....	96
16-7. Uneven seams (5) ……
Poor rounding of seam .................................	96
16-8. Uneven seams (6) ……
Around rear tack or front tack....................	96
16-9. Uneven seams (7) ……
Loose thread end at end backtack ............	97
16-10. Uneven seams (8) ……
Thread sticking out at end backtack ........	97
16-11. Uneven seams (9) ……
Sticking in needle plate............................	97
16-12. Uneven seams (10) ……
All stitches................................................	98
16-13. Upper thread run out...................................	99
16-14. Unraveling of thread trimmed by upper
thread trimmer assembly...........................	101
16-15. Upper thread mis-trimming .......................	102
16-16. Needle strikes upper thread trimmer ........	102
16-17. Needle breakage.......................................	103
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