Brother S-6200A Скачать руководство пользователя страница 64

 

 

S-6200A 

14. TROUBLESHOOTING 

57 

 

Problem Possible 

cause 

Page 

5  Skipped stitches at sewing 

start 

Thread unravelling at 
sewing start 

Is the thread take-up spring tension too strong? 

Reduce the tension of the thread take-up spring. 

Is the thread take-up spring operating range too large? 

Lower the position of the thread take-up spring. 

Are the trailing lengths of the upper threads too short after thread 
trimming? 

Adjust the pretension. 

Are the threads not being trimmed cleanly? 

Sharpen the fixed knives, or replace the fixed and movable 
knives if necessary. 

Is the needle too thick? 

Try using a needle with a count that is one lower than the 
current needle. 

Is the length of thread trailing out from the bobbin case after thread 
trimming too short? 

If the bobbin is spinning loosely, replace the anti-spin spring in 
the bobbin case. 

Is the sewing speed too fast at the sewing start? 

Set so that slow start is enabled. (G1A operation panel) 
Use the slow start feature. (G5A operation panel) 

Is the needle up stop position too high? 

Adjust the needle up stop position. 
 

 

50* 

 

50* 

 

 

45 

 
 

48* 

 
 

 

 
 
 

16 

 

25* 
39* 

 

29, 40* 

6 Uneven 

seam 

Is the presser foot pressure too weak? 

Adjust the presser foot pressure. 

Is the feed dog too low? 

Adjust the feed dog height. 

Is the bobbin scratched? 

If the bobbin is damaged, smooth it with an oiled grindstone or 
replace it. 
 
 

 

45 

 

52* 

 
 

 

7  Large degree of puckering

(excess tension) 

Is the upper thread tension too strong? 

Make the upper thread tension as weak as possible. 

Is the lower thread tension too strong? 

Make the lower thread tension as weak as possible. 

Is the needle tip blunt? 

Replace the needle if it is blunt. 

Is the needle too thick? 

Replace with as thin a needle as possible. 

Are the thread take-up spring tensions too strong? 

Make the thread take-up spring tension as weak as possible. 

Is the thread take-up spring operating range too large? 

Lower the position of the thread take-up spring to as low a 
position as possible. 

Is the presser foot pressure too strong? 

Adjust the presser foot pressure. 

Is the sewing speed too fast? 

Gradually reduce the maximum sewing speed (G1A operation 
panel) 
Use the sewing speed control keys to gradually reduce the 
sewing speed. (G5A operation panel) 

Is the angle of the feed dog correct? 

Tilt the front of the feed dog down slightly. 
 

 

44 

 

44 

 
 

 
 

 

50* 

 
 

50* 

 

45 

 
 

28* 

 

32 

 

52* 

 

0749M 

0473M 

0978M 

Содержание S-6200A

Страница 1: ...S 6200A Please read this manual before using the machine Please keep this manual within easy reach for quick reference SINGLE NEEDLE STRAIGHT LOCK STITCHER WITH THREAD TRIMMER INSTRUCTION MANUAL ...

Страница 2: ...l sewing machines it is normal to carry out work while positioned directly in front of moving parts such as the needle and thread take up and consequently there is always a danger of injury that can be caused by these parts Follow the instructions from training personnel and instructors regarding safe and correct operation before operating the machine so that you will know how to use it correctly ...

Страница 3: ...ath or serious injury CAUTION The instructions which follow this term indicate situations where failure to follow the instructions could cause injury when using the machine or physical damage to equipment and surroundings Symbols This symbol indicates something that you should be careful of The picture inside the triangle indicates the nature of the caution that must be taken For example the symbo...

Страница 4: ...should only be carried out by a qualified technician Contact your Brother dealer or a qualified electrician for any electrical work that may need to be done The sewing machine weighs approximately 38 kg 84lb The installation should be carried out by two or more people Do not connect the power cord until installation is complete The machine may operate if the treadle is depressed by mistake which c...

Страница 5: ...r injuries Use both hands to hold the machine head when tilting it back or returning it to its original position If only one hand is used the weight of the machine head may cause your hand to slip and your hand may get caught Be sure to wear protective goggles and gloves when handling the lubricating oil and grease so that they do not get into your eyes or onto your skin otherwise inflammation can...

Страница 6: ...he cover 4 Be careful not to get your hands caught when returning the machine head to its original position after it has been tilted 3 5 Be careful to avoid injury from the moving thread take up 6 High temperature warning display 7 Be sure to connect the ground If the ground connection is not secure you run a high risk of receiving a serious electric shock and problems with correct operation may a...

Страница 7: ...0 7 USING THE G5A OPERATION PANEL BASIC OPERATIONS 31 7 1 Names and functions 31 7 2 Sewing start and end backtack stitches 33 7 3 Sewing continuous backtack stitches 34 7 4 Sewing fixed stitches 35 7 5 Sewing name labels 36 7 6 Sewing pleat presser stitches 37 7 7 Using the lower thread counter 38 8 USING THE G5A OPERATION PANEL ADVANCED OPERATIONS 39 8 1 Names and functions 39 8 2 Adjusting the ...

Страница 8: ...Max sewing speed 5 000 sti min 4 000 sti min Start backtacking and continuous backtacking speed 220 3 000 sti min End backtacking speed 1 800 sti min Max stitch length 4 2 mm 5 mm Lifting lever 6mm Presser foot height Knee lifter 13mm Feed dog height 0 8 mm 1 2 mm Needle DB x 1 DP x 5 11 18 19 22 Motor AC servo motor 4 pole 450W Control circuit Microprocessor ...

Страница 9: ... switch 8 Thread wiper 40 specifications 9 Lifting lever 10 Machine pulley 11 Reverse lever 13 Actuator switch 12 Stitch length dial 14 Operation panel 15 Cotton stand 16 Control box Safety devices 17 Finger guard 18 Thread take up cover 19 Pulley cover 20 Motor cover 1953B G1A operation panel basic function LED G5A operation panel advanced function LCD ...

Страница 10: ...aught About the machine set up location Do not set up this sewing machine near other equipment such as televisions radios or cordless telephones otherwise such equipment may be affected by electronic interference from the sewing machine The sewing machine should be plugged directly into an AC wall outlet Operation problems may result if extension cords are used Carrying the machine The sewing mach...

Страница 11: ...n the illustration below 3 2 Installation 1 Control box 1 Control box 2 Bolts 3 pcs 3 Nuts 3 pcs 4 Spring washers 3 pcs 5 Washers 3 pcs 2 Connecting rod 6 Connecting rod 7 Nut 1956B Cotton stand hole Cord hole Control box mounting hole 1957B NOTE Check that processing has been carried out accurately to these dimensions 4 places If the dimensions are too deep the safety switch may become damaged wh...

Страница 12: ...3 Oil pan 4 Magnet 4 Rubber cushions 1 Rubber cushions 2 pcs 2 Nails 4 pcs 5 Knee lifter complying bar 3 Knee lifter complying bar 6 Machine head 1 Hinges 2 pcs 2 Machine head Bind the cords together and pass them through the cord hole 1958B 3830M Left side White Operator 4065M Right side Black ...

Страница 13: ...ut 6 4 Turn the screw 8 to adjust so that the amount of play in the knee lifter 7 is approximately 2 mm when the knee lifter plate 1 is gently pressed 5 Securely tighten the nut 6 6 Loosen the nut 9 7 Turn the screw 10 until the distance between the end of the screw 10 and the knee lifter 7 is approximately 8 mm 8 Turn the adjusting screw 10 to adjust so that the presser foot 5 is at the desired p...

Страница 14: ... the other cords as shown in the illustration and then pass it through the cord hole in the table 2 Install the motor cover 3 as shown in Figure A and then securely tighten it with the four screws 4 Fit the end of the pulley cover 5 into the grooves in the motor cover 3 in 3 places as shown in Figure B 1961B ...

Страница 15: ...nto your skin If care is not taken inflammation can result Furthermore do not drink the lubricating oil Diarrhea or vomiting may result Keep the oil out of the reach of children The sewing machine should always be lubricated and the oil supply replenished before it is used for the first time and also after long periods of non use Use only the lubricating oil Nippon Oil Corporation Sewing Lube 10N ...

Страница 16: ...at may need to be done Do not connect the power cord until all cords have been connected The machine may operate if the treadle is depressed by mistake which could result in injury When securing the cords do not bend the cords excessively or fasten them too hard with staples otherwise there is the danger that fire or electric shocks could occur Be sure to connect the ground If the ground connectio...

Страница 17: ...in such a way that the connector does not get pulled out All cords that come out from the control box should be secured to the cord holder 2 using the repeat cable tie 1 otherwise vibration from the sewing machine may cause the cords to become disconnected which can cause problems with the operation of the control box Closing the cover 4141M Removal 4140M Cords Push in securely until the tabs 6 en...

Страница 18: ... appropriate plug to the power cord 4 The green and yellow wire is the ground wire 2 Insert the power plug into a properly grounded electrical outlet NOTE Take care when tapping in the staples 3 to make sure that they do not pierce the cords Do not use extension cords otherwise machine operation problems may result Ground symbol 1963B Oil pan 4143M 2129B Green and yellow wire ground wire Control b...

Страница 19: ...to the power cord 4 The green and yellow wire is the ground wire 2 Insert the power plug into a properly grounded electrical outlet NOTE Take care when tapping in the staples 5 to make sure that they do not pierce the cords Do not use extension cords otherwise machine operation problems may result 1965B Operator 4145M 1964B Green and yellow wire ground wire ...

Страница 20: ... 2 pcs 9 Power cord 1 Attach an appropriate plug to the power cord 9 The green and yellow wire is the ground wire 2 Insert the power plug into a properly grounded electrical outlet NOTE Take care when tapping in the staples 7 to make sure that they do not pierce the cords Do not use extension cords otherwise machine operation problems may result Green and yellow wire ground wire 4145M 1966B Operat...

Страница 21: ...Adjusting the safety switch position 2 Then check that it sews at high speed when the treadle 1 is gently pressed to position C 3 After pressing the treadle 1 forward check that the needle is lowered to the top of the needle plate when the treadle 1 is returned to the neutral position A when needle down stopping has been set 4 If the treadle 1 is pressed to position D thread trimming is carried ou...

Страница 22: ...ally stronger at b c and d respectively Backward depression sensitivity adjustment 1 Loosen the nut 3 and turn the bolt 4 When the bolt 4 is tightened the treadle operation becomes heavier and when it is loosened the operation becomes lighter 2 Tighten the nut 3 Adjusting the treadle stroke Remove the nut 5 and then move the connecting rod joint 6 from the position in figure A to the position in f...

Страница 23: ... the screw 2 4 2 Removing the bobbin case CAUTION Turn off the power switch before removing the bobbin case The machine may operate if the treadle is depressed by mistake which could result in injury 1 Turn the machine pulley to raise the needle until it is above the needle plate 2 Pull the latch 1 of the bobbin case upward and then remove the bobbin case 3 The bobbin 2 will come out when the latc...

Страница 24: ...in 1 5 Raise the presser foot with the lifting lever 6 Depress the treadle Lower thread winding will then start 7 Once winding of the lower thread is completed the bobbin presser arm 3 will return automatically 8 After the thread has been wound on remove the bobbin and cut the thread with the knife 4 The method of threading differs for normal thread and polyester thread Refer to the illustration L...

Страница 25: ...e pulley to raise the needle until it is above the needle plate 2 While holding the bobbin so that the thread winds to the right insert the bobbin into the bobbin case 3 Pass the thread through the slot 1 and under the tension spring 2 and then pull it out from the thread guide 3 4 Check that the bobbin turns clockwise when the thread is pulled 5 Hold the latch 4 on the bobbin case and insert the ...

Страница 26: ... threading the upper thread The machine may operate if the treadle is depressed by mistake which could result in injury Turn the machine pulley and raise the thread take up 1 before threading the upper thread This will make threading easier and it will prevent the thread from coming out at the sewing start 1970B ...

Страница 27: ...ss of material being sewn Adjust while looking at the finished stitches When turning the stitch length dial 1 from a larger setting to a smaller setting it will be easier to turn the dial if the reverse lever 3 is pushed to the halfwaydown position 4 7 Using the thread wiper 40 specifications Press the thread wiper key 1 on the operation panel so that the indicator illuminates If this is done the ...

Страница 28: ... 9 When the key is pressed the setting decreases from 9 down to 0 3 Start backtack key When this key is pressed so that the indicator illuminates the number of start backtack stitches 0 9 in the A and B columns of the display are sewn 4 End backtack key When this key is pressed so that the indicator illuminates the number of end backtack stitches 0 9 in the C and D columns of the display are sewn ...

Страница 29: ...tinue operating until the set number of start backtack stitches has been sewn 4 End backtacking is carried out After it has finished the thread is trimmed automatically and the sewing machine stops in the needle up position NOTE If the treadle is depressed backward before sewing of the set number of start backtack stitches is complete end backtacking will not be carried out If thread trimming lock...

Страница 30: ...nd then the needle bar will stop in the needle up position NOTE If the treadle is returned to the neutral position while continuous backtacking is being carried out the sewing machine will stop at the point where the treadle returns to the neutral position If the treadle is depressed again operation will resume from the point where it was interrupted If thread trimming lock is set the sewing machi...

Страница 31: ...g mode While pressing the end backtack key press the power ON switch 2 Setting the needle up stop and needle down stop positions When the key is pressed the UP display will appear When the key is pressed the dn display will appear Needle up stop Needle down stop NOTE If the start backtack key 1 is pressed once more the start backtack indicator will switch off and the display will return to the set...

Страница 32: ...ow start Press twice 3 Enabling and disabling slow start When the key is pressed the on display will appear When the key is pressed the oFF display will appear Slow start enabled Slow start disabled NOTE If the start backtack key 1 is pressed once more the start backtack indicator will switch off and the display will return to the setting item 4 The setting will be stored and the display will retu...

Страница 33: ...3 Enabling and disabling correction sewing When the key is pressed the on display will appear When the key is pressed the oFF display will appear Correction sewing enabled Correction sewing disabled NOTE If the start backtack key 1 is pressed once more the start backtack indicator will switch off and the display will return to the setting item 4 The setting will be stored and the display will retu...

Страница 34: ...essed the oFF display will appear Thread trimming locked Thread trimming not locked NOTE If the start backtack key 1 is pressed once more the start backtack indicator will switch off and the display will return to the setting item 4 The setting will be stored and the display will return to the setting item 5 Setting mode will be exited and normal operation will be possible 4206M 3658M 3659M Thread...

Страница 35: ...tion off refer to 6 7 Lock function 1 2 Setting the maximum sewing speed The maximum sewing speed is set in columns A and B Setting can be carried out in units of 100 sti min When the key is pressed the setting increases When the key is pressed the setting decreases 3 The display will return to what was shown before the MAX key was pressed NOTE While the indicator of the MAX key is illuminated all...

Страница 36: ...If you press the key the setting value will decrease and the needle up stop position will become higher The setting range is from 5 to 10 A setting value of 10 corresponds to an angle of rotation of approximately 10 for the upper shaft 4 The setting will be stored and the display will return to the setting item 5 Normal sewing machine operation will then be possible 4206M For details on other adju...

Страница 37: ...ock will be canceled and the functions can then be set 6 8 Resetting all settings to their defaults If the sewing machine stops operating normally the cause may be that an incorrect setting may have been made for the memory data by means of memory switches for instance In such cases it may be possible to restore normal operation by following the steps given below to initialize the memory setting d...

Страница 38: ...increases from 0 up to 99 When the key is pressed the setting decreases from 99 down to 0 3 Start backtack key When this key is pressed so that the indicator illuminates the number of start backtack stitches 0 99 in the A and B stitch number displays is sewn 4 End backtack key When this key is pressed so that the indicator illuminates the number of end backtack stitches 0 99 in the C and D stitch ...

Страница 39: ... the maximum amount The sewing speed can also be adjusted while sewing is in progress When the key is pressed the sewing speed becomes faster When the key is pressed the sewing speed becomes slower 13 Thread trimming lock key When this key is pressed so that the indicator illuminates the sewing machine stops in the needle up position without thread trimming being carried out even if the treadle is...

Страница 40: ...ntil the set number of start backtack stitches has been sewn 4 End backtacking is carried out After it has finished the thread is trimmed automatically and the sewing machine stops in the needle up position NOTE If the treadle is depressed backward before sewing of the set number of start backtack stitches is complete end backtacking will not be carried out If the indicator of the thread trimming ...

Страница 41: ...arried out the sewing machine will stop at the point where the treadle returns to the neutral position If the treadle is depressed again operation will resume from the point where it was interrupted If the indicator of the thread trimming lock key is illuminated the sewing machine will stop in the needle up position without thread trimming being carried out Automatic sewing When the AUTO key is pr...

Страница 42: ... thread trimming function When the treadle is continuously depressed thread trimming is carried out after the fixed stitches have been sewn Automatic sewing When the AUTO key is pressed to turn on the automatic sewing function the fixed stitches are sewn simply by depressing the treadle once without needing to depress it continuously Start and end backtack sewing The start backtack key and end bac...

Страница 43: ... the presser foot is also lifted automatically Automatic thread trimming Press the thread trimming key to turn on the thread trimming function Thread trimming is carried out automatically after the second set of F stitches has been sewn Automatic sewing When the AUTO key is pressed to turn on the automatic sewing function the fixed stitches in E and F are sewn respectively simply by depressing the...

Страница 44: ...read trimming is carried out Automatic sewing and automatic thread trimming These functions cannot be used Start and end backtack sewing The start backtack key and end backtack key can be pressed to turn on the backtack sewing function If changing the number of end backtack stitches indicated in C and D press the pleat presser sewing key to turn off the pleat presser sewing function before making ...

Страница 45: ... is reduced by 1 for every 10 stitches sewn When the value goes below zero 0 a minus sign appears and counting continues to a maximum of 999 2 When the value goes below 0 a warning icon 1 illuminates and an electronic buzzer sounds for 5 seconds 3 Sewing will be possible even after the treadle is returned to the neutral position and the sewing machine stops However after the treadle has been depre...

Страница 46: ...achine is stopped sewing will be carried out at slow speed 220 sti min while the actuator switch is being pressed NOTE If you press the actuator switch while sewing is in progress backtack stitches will be sewn Correction sewing cannot be carried out while the indicator of the pleat presser sewing key 8 is illuminated If you press this key again while the icon 22 is illuminated the icon 22 will tu...

Страница 47: ...key the setting value will increase and the needle up stop position will become lower If you press the key the setting value will decrease and the needle up stop position will become higher The setting range is from 5 to 10 A setting value of 10 corresponds to an angle of rotation of approximately 10 for the upper shaft 4 The setting values will be memorized 4192M 5 Normal sewing machine operation...

Страница 48: ...his state the following three key operations are disabled so that the setting values cannot be changed accidentally FUNC key 3 This key is used to make settings for various functions ENTER key 4 This key is used to accept function settings MAX key 5 This key is used to change the maximum sewing speed Refer to the Service Manual for details on using these keys 4194M ...

Страница 49: ...ey press the power ON switch init ALL will appear in orange in the main display 1 1 2 Press for 2 seconds or more Once initialization is complete the main display will return to green 4192M 3 Initialization mode will be exited and normal sewing machine operation will then be possible 4193M If the X keys 2 are pressed at this time you can select the items to be initialized as shown below For detail...

Страница 50: ...ead If the table moves it may crush your feet or cause other injuries Use both hands to hold the machine head when tilting it back or returning it to its original position If only one hand is used the weight of the machine head may cause your hand to slip and your hand may get caught 9 1 Sewing 1 Press the power ON switch 1 The power indicator 2 will illuminate 2 Carry out the programming which is...

Страница 51: ...hread tension Upper thread tension too strong or lower thread tension too weak Decrease the upper thread tension Increase the lower thread tension Lower thread tension Adjust by turning the adjustment screw 1 until the bobbin case drops gently by its own weight while the thread end coming out of the bobbin case is held Upper thread tension After the lower thread tension has been adjusted adjust th...

Страница 52: ...djust the presser foot pressure 3 Tighten the adjusting nut 1 10 3 Adjusting the trailing length after thread trimming At the time of thread trimming the thread tension is loosened and tension is applied by the pretension 1 only The standard trailing length for the upper thread is 35 40 mm If the tension of the pretension 1 is increased the lengths of the threads trailing from the needle tips will...

Страница 53: ... is used the weight of the machine head may cause your hand to slip and your hand may get caught The following cleaning operations should be carried out each day in order to maintain the performance of this machine and to ensure a long service life Furthermore if the sewing machine has not been used for a long period of time carry out the following cleaning procedures before using it again 1 Raise...

Страница 54: ...g oil is difficult to obtain the recommended oil to use is Exxon Mobil Essotex SM10 VG10 If the lubricating oil is contaminated remove the oil cap screw 7 and drain the oil Clean off any dirt on the collection magnet 8 and in the oil pan 9 12 Return the machine head to its original position 13 Replace the needle if it is bent or if the tip is broken 14 Check that the upper threads have been thread...

Страница 55: ...ve the screw 3 and then remove the fixed knife 4 Carry out the above steps in reverse to install the fixed knife 4 Sharpening the fixed knife If the cutting performance deteriorates sharpen the fixed knife 4 on a whetstone 5 as shown in the illustration Movable knife 1 Remove the needle 2 Lift up the presser foot using the lifting lever 3 Remove the two screws 1 and then remove the needle plate 2 ...

Страница 56: ...lt in injury When carrying out inspection adjustment and maintenance When replacing consumable parts such as the rotary hook and knife Always be sure to turn off the power switch and then wait one minute before opening the motor cover If you touch the surface of the motor or the motor bracket it may cause burns If the power switch needs to be left on when carrying out some adjustment be extremely ...

Страница 57: ...t 5 and so that the upper thread is not pulled out 2 Pull the upper thread down until the thread take up spring 1 is at the same height as the base of the thread guide 3 and then measure the tension of the thread take up spring 1 3 Insert a screwdriver into the slot of the tension stud 6 and turn the screwdriver to adjust the tension of the thread take up spring 1 13 3 Adjusting arm thread guide R...

Страница 58: ...essure applied to the presser foot 2 Raise the lifting lever 2 The presser foot 1 will also rise 3 Remove the oil cap 5 4 Loosen the bolt 6 and then move the presser bar 7 up or down until the presser foot 1 is at the standard height of 6 mm 5 Tighten the bolt 6 6 Replace the oil cap 5 7 Adjust the presser foot pressure using the adjustment screw 4 and then tighten the nut 3 After adjusting check ...

Страница 59: ... shaft 2 is aligned with the feed rocker bracket arm 3 and the feed dog 1 is parallel to the needle plate 1 Turn the machine pulley to move the feed dog 1 to its highest position above the needle plate 2 Tilt back the machine head 3 Loosen the two set screws 4 4 Turn the shaft 2 in the direction of the arrow within a range of 90 with respect to the standard position In order to prevent puckering l...

Страница 60: ... until it is flush with the top of the needle plate 2 1 Remove the rubber cap 3 2 Loosen the two set screws 5 of the vertical cam 4 and the two set screws 7 of the horizontal cam 6 and then turn the vertical cam 4 and the horizontal cam 6 slightly to adjust the timing The vertical cam 4 and horizontal cam 6 are linked by a pin so that if either one is turned the other will turn with it To advance ...

Страница 61: ... illustration 1 Turn the machine pulley to raise the needle bar 1 from its lowest position until reference line b is aligned with the lower edge of the needle bar bush D 2 as shown in the illustration The needle should rise by 1 8 mm 2 2 mm for 05 specifications and the distance from the needle hole to the tip of the rotary hook should be 0 5 0 7 mm 2 Loosen the set screws 5 and then align the tip...

Страница 62: ... it there Then run the sewing machine at the normal sewing speed for 8 seconds Any type of paper can be used as the lubrication amount check sheet 1 5 Check the amount of oil which has spattered onto the sheet If adjustment is necessary carry out the following operations in Adjusting the lubrication amount Adjusting the lubrication amount 1 Tilt back the machine head 2 Turn the adjusting screw 3 t...

Страница 63: ...thread is not tight Is the lower thread tension too weak or is the upper thread tension too strong Adjust the lower thread tension or upper thread tension 44 3 Loops appear in seam Is the thread path not smooth enough Use a file with a fine grain or sandpaper to polish smooth the thread path Is the bobbin not turning smoothly Pull out the lower thread to check that there is no slackness in the thr...

Страница 64: ...ion 50 50 45 48 16 25 39 29 40 6 Uneven seam Is the presser foot pressure too weak Adjust the presser foot pressure Is the feed dog too low Adjust the feed dog height Is the bobbin scratched If the bobbin is damaged smooth it with an oiled grindstone or replace it 45 52 7 Large degree of puckering excess tension Is the upper thread tension too strong Make the upper thread tension as weak as possib...

Страница 65: ...e properly installed If it is incorrect install the needle correctly Is the machine properly threaded If it is incorrect thread the thread correctly Is the upper or lower thread tension too weak or too strong Adjust the upper thread or lower thread tension Is the upper thread may be loose because the thread take up spring operating range is too small Adjust the position of the thread take up sprin...

Страница 66: ...tor disconnected from the control box Insert the connector securely 12 13 15 Machine does not operate at high speed Is the sewing speed setting or backtack speed setting incorrect Set the maximum sewing speed to a higher speed G1A operation panel Use the sewing speed control keys to set the high speed G5A operation panel 28 32 16 Machine stops during sewing Is the fixed stitch key turned on Press ...

Страница 67: ...h first E051 The machine head was detected as being tilted back during sewing Turn the power off and then back on again E055 Was the power ON switch pressed while the machine head was still tilted back Press the power OFF switch and then return the machine head to the upright position Is the 14 pin machine connector inside the control box disconnected Press the power OFF switch and then check that...

Страница 68: ...on after thread trimming Remove any thread scraps that may be blocking the motor Press the power OFF switch and then turn the machine pulley by hand and check that it turns easily Check that there are no problems with the thread trimming mechanism E130 The sewing machine or motor do not operate when the treadle is depressed Is the 4 pin motor connector inside the control box disconnected Press the...

Страница 69: ...with the thread trimming mechanism E410 Error communicating with operation panel Is the 12 pin operation panel connector inside the control box disconnected Press the power OFF switch and then check that the 12 pin operation panel connector is connected to connector P7 on the main PCB 10 E440 Error writing data to main PCB Problem with main PCB Replace the control box E441 Error reading data from ...

Страница 70: ... This is displayed if the machine pulley moves stiffly when it is turned by hand or if the sewing machine locks up and an abnormal current is flowing Press the power OFF switch and then turn the machine pulley by hand and check that it turns easily This is displayed if there is some problem with the motor and an abnormal current is flowing Replace the motor Problem with control box Replace the con...

Страница 71: ...S 6200A 15 7 SEGMENT DISPLAY 64 15 7 SEGMENT DISPLAY 4268M ...

Страница 72: ...INSTRUCTION MANUAL 2009 Brother Industries Ltd All Rights Reserved S 6200A SB0777 001 E 2009 06 B 1 ...

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