Symptom

Probable Cause

Remedy

Reference Page

 

 

 

If the thread tension cannot be

 

 

 

The thread tension does not

adjusted, thread wax and dust

 

 

 

may have collected in the upper

 

 

 

correspond to the amount that

 

 

 

or middle thread guide plates,

 

 

 

the thread tension knob was

 

 

 

causing the thread tension guide

 

 

 

tightened.

 

 

 

plates to rise. Clean the thread

 

 

There are loops in

 

 

 

 

tension guide plates.

 

 

the upper thread.

 

 

 

 

 

Try sewing with different thread.

 

 

 

 

 

 

 

 

If the problem no longer occurs

 

 

 

The thread quality is poor.

after the thread is changed, the

 

 

 

thread quality is the problem.

 

 

 

 

 

 

 

 

Replace the thread with one of

 

 

 

 

good quality.

 

 

 

Lint may be wound in the hook.

Clean the hook.

p.193

 

 

 

 

 

 

 

The upper thread is not threaded

Check the thread path, and then

p.35

 

 

correctly.

thread the upper thread again.

 

The machine is

 

 

 

Replace the hook.

 

 

noisy.

The hook is damaged.

 

 

 

Consult your nearest authorized

 

 

 

 

dealer.

 

 

 

Not enough oil was applied.

Oil recommended parts.

p.196

 

 

 

 

 

 

 

 

Touch the key to move the

 

 

 

The needle is not at the correct

desired needle bar to be

p.40

 

 

position.

threaded into embroidering

 

 

 

 

 

 

position.

 

 

 

 

 

 

 

The needle

Recommended needles are not

Replace and use recommended

p.15, 63

 

threader cannot

used on this machine.

needle.

 

 

be used.

The needle is not installed

Correctly install the needle.

p.15, 63

 

 

correctly.

 

 

 

 

 

 

The hook on the automatic

Consult your nearest authorized

 

 

 

needle-threading mechanism is

p.15, 63

 

 

dealer.

 

 

bent.

 

 

 

 

 

 

 

The upper thread is not threaded

Check the thread path, and then

p.35

 

 

correctly.

thread the upper thread again.

 

The thread

 

 

The bobbin thread is not

Correctly thread the bobbin

 

 

tension is

p.19

 

correctly threaded.

thread.

 

incorrect.

 

 

 

 

 

 

The lower thread tension is

Adjust the tension of the bobbin

p.85

 

 

 

 

incorrect.

thread.

 

 

 

 

The upper thread

If a short length of thread

Set the remaining length of

 

 

comes out of the

remains after the thread is

 

 

thread to “LONG TAIL” on the

 

 

needle when

trimmed, the needle may

p.150

 

second page of the settings

 

embroidering

become unthreaded when

 

 

screen.

 

 

begins.

embroidering begins again.

 

 

 

 

 

 

 

 

 

 

The upper thread

There is no more thread in the

 

 

7

does not reach the

bobbin, the thread does not feed

 

 

bobbin thread

from the bobbin, or the thread

Correctly thread the lower

p.19

when

that is fed from the bobbin is too

thread.

 

 

 

embroidering

short.

 

 

 

begins.

 

 

 

 

Troubleshooting 205

Page 222
Image 222
Brother PR-620 operation manual Dealer Bent, Thread Embroidering Short Begins

PR-620 specifications

The Brother PR-620 is a state-of-the-art embroidery machine that caters to both amateur enthusiasts and professional embroiderers. It is renowned for its versatility, combined with an array of advanced features that facilitate creating intricate designs with ease.

One of the standout features of the PR-620 is its six-needle capability, which allows users to embroider with multiple colors without the need for constant thread changes. This efficiency saves time and enhances productivity, particularly for those working on large or complex projects. The machine supports an extensive range of thread colors, making it easier to bring vibrant designs to life.

The PR-620 is equipped with a large 10.4-inch LCD touchscreen display that allows for intuitive navigation and control. Users can customize designs, adjust settings, and preview their work with exceptional clarity. The interface is user-friendly, making it accessible for beginners while still offering advanced options for seasoned users.

In terms of technology, the Brother PR-620 features a high-speed embroidery mechanism that can achieve approximately 1,000 stitches per minute. This remarkable speed doesn’t compromise the quality of stitching, ensuring that each design is executed with precision. Coupled with the automatic needle threader, threading becomes a hassle-free task.

Another noteworthy characteristic is the PR-620’s built-in embroidery designs and fonts. The machine comes pre-loaded with a wide selection of designs and includes the capability to import custom designs via USB connectivity. This feature empowers users to create personalized projects effortlessly.

Additionally, the PR-620's advanced color sorting and thread trimming capabilities contribute significantly to minimizing thread waste. Users can enjoy efficient stitching with fewer interruptions, enhancing their overall workflow. The machine also includes a range of hoop sizes, accommodating various project dimensions, from small patches to larger embellishments.

The durable construction of the Brother PR-620 ensures reliability and longevity, making it a smart investment for anyone serious about embroidery. The machine is not only designed for functionality but also prioritizes user comfort during extended use.

In summary, the Brother PR-620 stands out in the embroidery machine market due to its innovative features, rapid stitching speeds, and user-friendly interface. Whether for home projects or business endeavors, the PR-620 provides excellent performance, versatility, and quality that meet the evolving needs of embroiderers.