CHAPTER 6 - Page 28
Brother ST4031HD Use and Care Manual
Table of Contents
26
CHAPTER 6
TROUBLESHOOTING
This sewing machine is designed for trouble-free operation. However, the following chart indicates trouble
which may occur if basic adjustments are not made properly.
Trouble
Cause
Remedy
1. Does not feed
Presser foot pressure too loose
Turn the pressure adjustment
screw clockwise to increase the
presser foot pressure.
(See page 9.)
2. Needles break
1. Needles bent, or needle tip blunt Replace with new needle.
(See page 13.)
2. Needles incorrectly installed
Install needles correctly.
(See page 13.)
3. Material pulled forcibly
Do not press or pull material too
hard when sewing.
3. Threads break
1. Improper threading
Thread correctly.
(See pages 15-18.)
2. Thread tangled
Check spool pin, thread holders,
etc. and remove tangled thread.
3. Thread tension too tight
Adjust the thread tension.
(See pages 10-12.)
4. Needles incorrectly installed
Install needles correctly.
(See page 13.)
5. Wrong needle used
Use correct needle.
130/705H - suggested
(See page 13.)
4. Skipped stitches
1. Needle bent, or needle tip blunt Replace with new needle.
(See page 13.)
2. Needle incorrectly installed
Install needle correctly.
(See page 13.)
3. Wrong needle used
Use correct needle.
130/705H - suggested
(See page 13.)
4. Improper threading
Thread correctly.
(See pages 15-18.)
5. Presser foot pressure too loose Turn the pressure adjustment
screw clockwise to increase the
presser foot pressure.
(See page 9.)
5. Stitches are not uniform
Thread tensions are not adjusted
properly
Adjust the thread tension.
(See pages 10-12.)
6. Fabric is puckered
1. Thread tension too tight
Decrease thread tension when
sewing lightweight or fine material.
(See pages 10-12.)
2. Improper threading or thread
tangled
Thread correctly.
(See pages 15-18.)
Detailed Information for Brother ST4031HD Use and Care Manual
Lists of information found in Brother ST4031HD Use and Care Manual - Page 28
- 1. Does not feed Presser foot pressure too loose Turn the pressure adjustment screw clockwise to increase the presser foot pressure.
- 9.) 2.
- 1. Needles bent, or needle tip blunt Replace with new needle.
- 13.) 2.
- 13.) 3.
- 3. Threads break 1.
- 18.) 2.
- 3. Thread tension too tight Adjust the thread tension.
- 12.) 4.
- 13.) 5.
- 13.) 4.
- 1. Needle bent, or needle tip blunt Replace with new needle.
- 13.) 2.
- 13.) 3.
- 13.) 4.
- 18.) 5.
- 9.) 5.
- 12.) 6.
- 1. Thread tension too tight Decrease thread tension when sewing lightweight or fine material.
- 12.) 2.
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