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Brother International BES-961BC Instruction Manual - English - Page 159

Problem, Check Point, Check these points once again, machine and operation stops.

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Page 159 highlights

Check these points once again Chapter 10 Troubleshooting Problem sMachine operation abnormal Check Point • Is any set screw of the rotary encoder loosened? • Is any set screw of the machine pulley loosened? • Is any set screw of the machine motor pulley loosened? • Is embroidery data normal? sUpper shaft locks at a certain point in one cycle • Is the thread take-up stopped due to interference with the upper case cover? [Adjustment] Thread take-up Upper case cover Bolt Needle case Thread take-up operating lever Loosen the hexagon socket head cap screw of the thread takeup operating lever and adjust the take-up movable range. Tighten it securely afterwards. • Are the needle bar clamp and the top dead center stopper positioned correctly? sError display • Check the rotary hook of a machine head whose MENDING lamp (green) is blinking to see if the thread is caught. [Adjustment] 1.Take out the thread tangled in the rotary hook race so that the rotary hook can be rotated forcibly by manual operation. 2.Check that the machine pulley is set to 100˚ of the scale, and press the END switch. [Measures] 1.If the thread end is left too long or stitching is left loosened before starting embroidering, the thread is caught in the machine and operation stops. 2.When starting embroidering, hook the thread end on the spring or hold it with a hand. 3.Leave thread of about 60 ~ 70 mm from the needle hole when starting embroidering. sUpper shaft pulley does not turn. • Is the presser foot lifted at a retract position when the power is turned on? Lower the presser foot for the six machine heads using the lever. sStitches cannot be made. • Is the needle attached properly? • Is the timing of the needle and rotary hook correct? BES-961BC • BES-1261BC 157

Section	Page
Screen Composition	12
Chapter 1 Preparation of Embroidery Machine	19
1. Specifications	20
2. Names of Machine Components	21
3. Installation	23
3-1 Transportation of Machine	23
3-2 Installation of Machine	25
3-3 Preparation of Needle Bar Case	26
3-4 Mounting of Table	28
3-5 Mounting of Cotton Stand	32
3-6 Lubrication to Needle Bar Case	34
3-7 Grounding	35
4. Preparation for Embroidering	36
4-1 Upper Threading	36
4-2 Replacement of Bobbin	39
4-3 Replacing and Selecting Needle	40
4-4 Attachment of Embroidery Hoop and Frame	41
4-5 Bed Retract	47
4-6 Adjustment of Thread Tension	49
Chapter 2 Embroidering Procedures	51
Functions of Operation Panel	52
Operation Panel	52
Switches at Machine Heads	55
Flowchart of Preparation for Embroidering	57
Turn on the Machine Power	58
Retrieve the Embroidery Data	59
Chapter 3 Selection of Data and Embroidering	61
What Can the Machine Do?	62
Selection of Embroidery Data	62
Embroidering Operation	62
Selection of Data	63
Registration of Embroidery Data from Floppy Disk	63
Reading from Memory	66
Registration of Embroidery Data from BE-100	67
Deletion of Embroidery Data from Machine Memory	68
Modification of Embroidery Data Name	70
Sewing Operation	74
Before Starting Sewing	74
Starting Sewing Operation	74
Feedhold and Cancellation of Sewing	75
Step Forward and Step-Back	76
Step Forward/Step-Back Mode	76
Setting Amount or Timing of Step Forward/Step-Back	76
For Step Forward (Back)	77
Resuming Sewing	77
Chapter 4 Editing Embroidering Data	79
What Can the Machine Do?	80
Editing	80
Rotation	81
Enlargement and Reduction	82
Mirror	84
Repetition	86
Other Editing	88
Chapter 5 Setting	91
What Can the Machine Do?	92
Setting of Needle Bars	92
Setting of Thread Breakage Sensor	92
Setting of Machine	92
Setting of Environment	93
Display of Information	93
Hoop Retract Point	93
Hoop Movement	93
Setting of Needle Bars	94
Thread Breakage Sensor	95
Setting of sensor validity/invalidity	95
Thread Breakage Sensitivity	95
Automatic Step-Back	96
Setting of Lower Thread Counter/Stitch Counter	97
Setting of Machine	98
Embroidery Hoop	98
Speed Range	99
Speed of Each Speed Range	100
Setting of Mending	101
Thread Trimming Length	103
Inching	104
Sewing Area	105
Registration of Sewing Start Position	106
Hoop Retract Point	106
Hoop Automatic Retract	107
Movement to Registered Sewing Start Point	107
Setting of Environment	108
Return to Start Point	108
Speed Range	109
Power Voltage	109
Setting of RS-232C Communication Speed	110
Display Language	111
Alarm Sound	112
Boring	113
Display of Information	115
Pattern Information	115
Features of Machine	116
Information about Versions	117
Chapter 6 Operation of Machine	119
1. Operating Procedures	120
1-1 Power Source	120
1-2 Preparation for Embroidering	120
2. Machine Stop	121
2-1. Stopping of Machine	121
2-2. Resetting Emergency Stop	121
3. Measures against Thread Breakage	122
3-1 Remedies	122
4. Jog Embroidering	125
5. Hoop Feed Position	125
6. Area Check	126
6-1 External Tracing	126
6-2 Automatic Hoop Movement in Area	126
7. Jog Switches	127
7-1 Hoop Movement to Start Position	127
7-2 Inching Mode during Embroidering (Forcible Hoop Movement)	128
8. Detection of Zero Point	129
Chapter 7 Maintenance	131
1. Cleaning Rotary Hook	132
2. Oiling	133
2-1 Head	133
3. Greasing	135
3-1 Head	135
3-2 Feed Guide Section	139
Chapter 8 Standard Adjustment	141
1. Adjusting Needle Bar Height	142
2. Replacing (Attaching) Rotary Hook	146
3. Adjustment of Clearance Between Needle and Rotary Hook	147
4. Adjustment of Timing Between Needle and Rotary Hook	148
5. Adjustment of Presser Foot Height	149
6. Adjustment of Thread Trimmer	150
6-1 Attaching the Fixed Knife	150
6-2 Checking the Movable Knife Position	150
6-3 Adjusting the Belt Tension	152
Chapter 9 List of Error Messages	153
Chapter 10 Troubleshooting	157
Mechanical Section	158
Electrical Section	160
Connection and Installation	161