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Brother International BES-1240BC Instruction Manual - English - Page 267

ERROR E5 to ERROR FF, head PCB and the head PCB properly.

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Chapter 12 Trouble Shooting Symptom Measures X-axis motor overcurrent stop occurs. • Measure the resistance values of pin 1 and pin 2, pin 2 and pin 3, pin 3 and pin 4, pin 4 and pin 5, and pin 5 and pin1 at each connector section of two X-axis motors with the tester and check to see if they are approximately 2.1Ω. Replace the faulty motor with a new one. • Refer to the block diagram showing the cable connection and check to see if connection from the X-axis motor to the main PCB is proper. • Replace the main PCB with a new one. Y-axis motor overcurrent stop occurs. • Measure the resistance values of pin 1 and pin 2, pin 2 and pin 3, pin 3 and pin 4, pin 4 and pin 5, and pin 5 and pin 1 at each connector section of the Y-axis motor with the tester and check to see if they are approximately 2.4Ω. Replace the faulty motor with a new one. • Refer to the block diagram showing the cable connection and check to see if connection from the Y-axis motor to the main PCB is proper. • Replace the main PCB with a new one. The following errors frequently occur. • Lower shaft memory error • ERROR E5 to ERROR FF • Replace the main PCB with a new one. Only a certain head does not operate. • Is the head out of action with either the head switch or the machine controller? • Refer to the block diagram showing cable connections and check to see that other cables are connected to the head switch PCB and the head PCB and the head PCB properly. Jump solenoids and wiper solenoids of all heads do not operate. • Refer to the block diagram showing cable connections and check to see if connection from connector P4 of the power supply PCB in the control box to connector P6 of the power supply PCB in the power supply base, and connection from connector P5 of the power supply PCB in the power supply base to the 39 terminal of the power transformer are proper. • Check fuse F4 on the power supply PCB in the power supply base. If it is blown, replace it with a new one. The 50v circuit is faulty if the fuse is blown immediately after turning on the power even after replacing the fuse. BES-940BC • BES-1240BC 265

Section	Page
Cover	1
Precautions	2
Safety Instructions	3
Procedure of Reading This Manual	8
Contents	10
Chapter 1 An Introduction of Embroidery Machine	17
1. Specifications	18
2. Software	19
Chapter 2 Preparation of Embroidery Machine	27
1. Names of Machine Components	28
2. Installation	30
3. Preparation for Embroidering	46
Chapter 3 Embroidering Procedures	61
Functions of Operation Panel	62
Flowchart of Preparation for Embroidering	66
Chapter 4 Selecting and Transferring Embroidery Data	71
Functions (Command Reference)	72
Description of Screen	73
Creating a Directory	74
Transferring data	75
Copy	77
Moving Data	78
Deleting Data	79
Recreate an icon	80
Select all	81
Renaming Data	82
Finding Data	83
Adjusting Screen Display	85
Reading Data in Floppy Disk	86
Reading Data in Paper Tape	92
Settings for Data Reading	94
Writing Data in DST Format	95
Viewing Pattern Information	96
Chapter 5 Editing Embroidery Data	97
Functions (Command Reference)	98
Description of Screen	100
Opening Embroidery Data	101
Setting Display	102
Back to Previous Status	111
Editing	112
Changing Data	118
Group	121
Merge	123
Saving Data	125
Viewing Pattern Information	127
Printing Data	128
Chapter 6 Embroidering	129
Functions (Command Reference)	130
Description of Screen	133
Settings before Turning On the Machine	134
Settings after Turning Power On	137
Setting the Machine	153
Embroidering	181
Moving the Home Position	183
Step-forward/Step-back	184
Moving Embroidery Position	188
Centering Pattern	189
Saving Data	190
Test	191
Running Other Programs	192
Chapter 7 Operation of Machine	193
1. Operating Procedures	194
2. Stopping the Machine	195
3. Permission for Hoop Movement	196
4. Measures against Thread Breakage	197
5. Jog Embroidering	200
6. Hoop Feed Position	200
7. Area Check	201
8. Jog Switches	202
Chapter 8 Creating Production Report	205
Functions (Command Reference)	206
Description of Screen	207
Displaying Report	208
Setting Display Items	215
Save As CSV...	221
Printing Production Report	222
Copying Report Data	223
Deleting Report	224
Chapter 9 Maintenance	225
1. Cleaning Rotary Hook	226
2. Oiling	227
3. Greasing	229
Chapter 10 Standard Adjustment	237
1. Adjusting Needle Bar Height	238
2. Replacing (Attaching) Rotary Hook	242
3. Adjustment of Clearance Between Needle and Rotary Hook	243
4. Adjustment of Timing Between Needle and Rotary Hook	244
5. Adjustment of Presser Foot Height	245
6. Adjustment of Thread Trimmer	246
7. Adjusting the Belt Tension	248
Chapter 11 List of Error Codes	249
Chapter 12 Troubleshooting	257
Mechanical Section	258
Electrical Section	260
Personal Computer Section	270
Connection and Installation of Optional Equipment	271
1. Attaching Bobbin Winder	272
2. Tape Reader	274

Match case Limit results 1 per page

BES-940BC • BES-1240BC

265

Chapter 12

Trouble Shooting

Symptom

Measures

X-axis motor overcurrent stop oc-

curs.

•

Measure the resistance values of pin 1 and pin 2, pin 2 and pin 3, pin 3

and pin 4, pin 4 and pin 5, and pin 5 and pin1 at each connector section

of two X-axis motors with the tester and check to see if they are

approximately 2.1

Ω

Replace the faulty motor with a new one.

•

Refer to the block diagram showing the cable connection and check to

see if connection from the X-axis motor to the main PCB is proper.

•

Replace the main PCB with a new one.

Y-axis motor overcurrent stop oc-

curs.

•

Measure the resistance values of pin 1 and pin 2, pin 2 and pin 3, pin

3 and pin 4, pin 4 and pin 5, and pin 5 and pin 1 at each connector

section of the Y-axis motor with the tester and check to see if they are

approximately 2.4

Ω

Replace the faulty motor with a new one.

•

Refer to the block diagram showing the cable connection and check

to see if connection from the Y-axis motor to the main PCB is proper.

•

Replace the main PCB with a new one.

The following errors frequently occur.

•

Lower shaft memory error

•

ERROR E5 to ERROR FF

•

Replace the main PCB with a new one.

Only a certain head does not oper-

ate.

•

Is the head out of action with either the head switch or the machine

controller?

•

Refer to the block diagram showing cable connections and check to

see that other cables are connected to the head switch PCB and the

head PCB and the head PCB properly.

Jump solenoids and wiper solenoids

of all heads do not operate.

•

Refer to the block diagram showing cable connections and check to

see if connection from connector P4 of the power supply PCB in the

control box to connector P6 of the power supply PCB in the power

supply base, and connection from connector P5 of the power supply

PCB in the power supply base to the 39 terminal of the power

transformer are proper.

•

Check fuse F4 on the power supply PCB in the power supply base.

If it is blown, replace it with a new one.

The 50v circuit is faulty if the

fuse is blown immediately after turning on the power even after

replacing the fuse.