11. TROUBLESHOOTING

11. TROUBLESHOOTING

If there is a problem with operation, first check that the threads are correctly threaded and that the needle is correctly installed.

CAUTION

Turn off the power switch and disconnect the power cord before carrying out troubleshooting, otherwise the machine will operate if the start switch is pressed by mistake, which could result in injury.

MACHINE HEAD

Problem

 

Cause

 

Remedy

Page

 

 

 

 

 

 

 

Thread breaks.

Thread

tension

control

nut

Adjust to an appropriate pressure.

32

 

pressure is too strong.

 

 

 

 

 

 

 

 

 

 

 

Thread is of poor quality.

 

Use a better-quality thread.

 

 

 

 

 

 

Thread is too thick for the needle.

Use a differently-size needle.

 

 

 

 

 

 

Needle groove or needle hole are

Replace with a new needle.

16

 

not smooth.

 

 

 

 

 

Needle and looper adjustment is

Adjust the needle bar height or

43

 

incorrect.

 

 

 

the looper and spreader height.

 

 

 

 

 

 

 

 

Needle, looper, throat plate or

Repair the damage with an

 

 

oilstone or buffer, or replace the

 

 

thread path is damaged.

 

damaged part.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Skipped stitches occur.

Thread

tension

control

nut

 

 

 

pressure is too strong or too

Adjust to an appropriate pressure.

32

 

weak.

 

 

 

 

 

 

 

 

 

 

Needle point is broken or bent.

Replace with a new needle.

16

 

 

 

 

 

Needle and looper adjustment is

Adjust correctly.

44

 

incorrect, or clearance is incorrect.

 

 

 

 

 

 

 

 

Needle

and

needle

guard

Adjust correctly.

47

 

adjustment is incorrect.

 

 

 

 

 

 

 

 

 

Looper tip is blunt.

 

Repair with an oilstone or replace

 

 

 

the looper with a new one.

 

 

 

 

 

 

 

Needle breaks.

Needle is bent.

 

 

Replace with a new needle.

16

 

 

 

 

 

Needle and looper adjustment is

Adjust the needle bar height or

43

 

incorrect.

 

 

 

the looper and spreader height.

 

 

 

 

 

 

 

 

 

 

 

 

 

Needle

and

needle

guard

Adjust correctly.

47

 

adjustment is incorrect.

 

 

 

58

RH-9800

Page 63 Page 65
Page 64
Image 64
Brother DH4-B980 Troubleshooting, Problem Cause Remedy Thread breaks, Skipped stitches occur, Needle breaks
Page 63 Page 65

DH4-B980 specifications

The Brother DH4-B980 is an innovative and advanced sewing and embroidery machine designed for both professional use and home enthusiasts. Recognized for its robust performance and user-friendly features, the DH4-B980 stands out in the market.

One of the primary features of the Brother DH4-B980 is its impressive sewing speed, allowing users to achieve up to 1,000 stitches per minute. This heightened efficiency is complemented by a range of built-in stitches, offering over 150 different stitch options, including decorative, quilting, and utility stitches. This variety equips users with the creativity to tackle a broad spectrum of sewing projects, from simple alterations to intricate embroidery designs.

The Brother DH4-B980 also features advanced embroidery capabilities. With an expansive embroidery area of 10 x 6 inches, users can work on larger designs without the need for rehooping. Additionally, the machine comes with pre-installed embroidery designs and fonts, ensuring that users have a multitude of options right at their fingertips. The user-friendly LCD touchscreen display allows for easy navigation through features, adjustments, and design selections, making the embroidery process intuitive.

In terms of technology, the Brother DH4-B980 incorporates the advanced My Custom Stitch feature, enabling users to create personalized stitch patterns. This functionality sets the machine apart, as it allows for customization to fit specific project needs or personal styles. The machine is also equipped with automatic needle threading and a quick-set drop-in bobbin, adding to overall convenience and ease of use.

Another noteworthy aspect is the built-in sewing assistant, providing tips and settings based on the selected stitch type. This feature enhances the learning curve for beginners while catering to the needs of more experienced sewists. The machine’s high-quality LED lighting illuminates the workspace, ensuring clarity and precision in sewing, particularly in low-light conditions.

Durability is achieved through quality construction and materials, ensuring that the actual performance matches user expectations even after extensive use. The Brother DH4-B980 is also designed with versatility in mind, catering to quilters, fashion designers, and hobbyists alike.

In summary, the Brother DH4-B980 combines speed, versatility, and advanced technology in a single sewing and embroidery machine. Its user-friendly features and innovative capabilities make it an excellent choice for anyone looking to elevate their sewing experience.
Top Page Image Contents