Brother International BAS-326G PS Instruction Manual - English - Page 78

12. TROUBLESHOOTING

BAS-326G PS

69

12. TROUBLESHOOTING

•

Please check the following points before calling for repairs or service.

•

If the following remedies do not fix the problem, turn off the power switch and consult a qualified technician or the place of

purchase.

CAUTION

Turn off the power switch and disconnect the power cord before carrying out troubleshooting.

If the foot switch is depressed by mistake, the sewing machine might start operating and injury could result.

Items with a “*” in the “Reference” column should only be checked by a qualified technician.

Problem

Cause

Remedy

Reference

Work clamp moves stiffly.

Apply a suitable amount of grease to the

sliding parts of the work clamp.

Work clamp does not

lift.

Work clamp does not

drop.

Air tube of air cylinder is bent or

damaged.

Straighten the bend in the tube or

replace the tube.

Work clamp lift amount

is incorrect.

Work

clamp

arm

lever

position

is

incorrect.

Adjust the position of the work clamp

arm lever.

P. 64

Work clamp does not

lift to the maximum

height.

Cylinder joint position is incorrect.

Adjust the position of the cylinder joint.

Adjust the height of the thread wiper.

P. 61

The thread wiper is obstructing the

needle.

Adjust the stroke of the thread wiper.

P. 61

Thread

wiper

does

not operate correctly.

Thread wiper position is incorrect.

Adjust the stroke of the thread wiper.

P. 61

Lower thread winds

to one side.

Bobbin winder tension assembly height

is incorrect.

Adjust the height of the bobbin winder

tension assembly.

P. 21

Lower thread winding

amount is incorrect.

Bobbin presser position is incorrect.

Adjust the position of the bobbin presser.

P. 21

Stitches being skipped at the sewing

start.

Refer to "Skipped stitches occur".

P. 70

Thread slips out of

the needle.

Upper thread trailing length is uneven.

Adjust the sub tension.

P. 23

Thread unravelling at

sewing start.

Rotary hook pulls the upper thread at the

sewing start.

Use the programmer to reduce the

intermittent presser foot height so that

the upper thread is pressed by the

intermittent presser foot at the 1st stitch.

*

Section	Page
COVER	1
SAFETY INSTRUCTIONS	3
[1] Safety indications and their meanings	3
[2] Notes on safety	4
[3] Warning labels	6
CONTENTS	8
1. NAMES OF MAJOR PARTS	10
2. SPECIFICATIONS	11
3. INSTALLATION	12
3-1. Table processing diagram	12
3-2. Installing the control box	13
3-3. Installing the oil pan	13
3-4. Installing the machine head	14
3-5. Tilting the sewing machine head	18
3-6. Installing the operation panel	18
3-7. Installing the pneumatic unit	19
3-8. Connecting the cords	20
3-9. Connecting the ground wire	22
3-10. Connecting the power cord	23
3-11. Installing the cotton stand	23
3-12. Installing the eye guard	24
3-13. Installing the motor cover	25
3-14. Lubrication	26
3-15. Installing the machine head fixing bolt	27
4. PREPARATION BEFORE SEWING	28
4-1. Installing the needle	28
4-2. Threading the upper thread	28
4-3. Foot switch operating method	29
4-4. Winding the lower thread	30
4-5. Installing the bobbin case	31
4-6. Thread tension	32
4-6-1. Lower thread tension	32
4-6-2. Upper thread tension	32
4-7. Home position detection	33
5. USING THE OPERATION PANEL(BASIC OPERATIONS)	34
5-1. Name and function of each operation panel item	34
5-2. Loading sewing data	36
5-3. Setting the program number	36
5-4. Setting the X-scale and Y-scale	37
5-5. Setting the sewing speed	37
5-6. Checking the sewing pattern	38
5-7. Setting the height of the intermittent presser foot	39
6. USING THE OPERATION PANEL(ADVANCED OPERATIONS)	40
6-1. List of advanced functions	40
6-2. Setting memory switches	41
6-3. List of memory switch settings	42
6-4. Using the lower thread counter	43
6-5. Using the production counter	44
6-6. Setting the split number	45
6-7. Using user programs	46
6-8. Using cycle programs	49
6-9. Direct selection (combination table)	51
6-10. X and Y parallel movement of sewing pattern	52
6-11. Clearing memory data (reinitialization)	53
7. USING CF CARDS	54
7-1. Notes on handling CF cards (sold separately)	54
7-2. Structure of a CF card folder	54
7-3. Data read/write mode	55
7-3-1. Reading all sewing data from the CF card at once	56
7-3-2. Writing all sewing data to the CF card at once	57
8. SEWING	58
8-1. Sewing	58
8-2. Using the STOP switch	59
8-3. Using the thread wiper switch	59
9. CLEANING	60
9-1. Cleaning the rotary hook	60
9-2. Cleaning the control box air inlet ports	60
9-3. Draining the oil	61
9-4. Cleaning the eye guard	61
9-5. Checking the needle	61
9-6. Lubrication	61
10. STANDARD ADJUSTMENTS	62
10-1. Checking the machine head switch	62
10-2. Arm thread guide R	62
10-3. Thread take-up spring	63
10-4. Adjusting the needle bar height	63
10-5. Adjusting the needle bar lift amount	64
10-6. Adjusting the needle guard	64
10-7. Adjusting the needle clearance	65
10-8. Adjusting the inner rotary hook and hook stopper overlap	65
10-9. Rotary hook lubrication amount	65
10-10. Adjusting the position of the movable knife	66
10-11. Replacing the movable and fixed knives	68
10-11-1. Installing the feed plate	69
10-12. Adjusting the thread wiper	70
10-13. Intermittent presser foot installation position	70
10-14. Changing the intermittent stroke	71
10-15. Adjusting the work clamp lift amount	73
10-16. Adjusting the air pressure	73
11. TABLE OF ERROR CODES	74
12. TROUBLESHOOTING	78
13. 7-SEGMENT DISPLAY	82

Brother International BAS-326G PS Instruction Manual - English - Page 78

Troubleshooting

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