MODEL REFERENCE
Brother XR-7700
7 errors · 12 troubleshooting topics
The checks and guides below come from the official manuals for this model.
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Error codes
Shown on the machine display E1presser foot raised during operation
Lower the presser foot lever before continuing.
E2buttonhole lever lowered for another stitch
Raise the buttonhole lever before continuing.
E3buttonhole lever raised for buttonhole or bar tack stitch
Lower the buttonhole lever before continuing.
E4bobbin winder shaft moved to the right
Move the bobbin winder shaft left before continuing.
E5start/stop button pressed with foot controller connected
Disconnect the foot controller before using the start/stop button, or operate with the foot controller.
E6motor locked by tangled thread
Remove the tangled thread before continuing.
F1-F8possible machine malfunction
Contact the nearest authorized service center.
Troubleshooting
Find the problem you are experiencingThe sewing machine does not work4 checks
- The machine is unplugged.
- Connect the machine to the power outlet.
- The main power switch is off.
- Switch on the main power.
- The bobbin winder shaft is in the right-hand position.
- Shift the bobbin winder shaft left.
- The foot controller is being used incorrectly.
- Use the foot controller correctly.
The needle breaks11 checks
- The needle is installed incorrectly.
- Install the needle correctly.
- The needle clamp screw is loose.
- Firmly tighten the screw with a screwdriver.
- The needle is bent or dull.
- Replace the needle.
- The fabric, thread, and needle are not properly matched.
- Select thread and a needle suited to the fabric.
- The presser foot does not suit the selected stitch.
- Attach the presser foot suited to the stitch.
- The upper thread tension is too tight.
- Reduce the upper thread tension.
- The fabric is being pulled too hard.
- Guide the fabric lightly.
- The area around the needle plate hole is scratched.
- Replace the needle plate. Contact your retailer or nearest authorized service center.
- There are scratches around the presser foot hole.
- Fit a replacement presser foot. Contact the retailer or your nearest authorized service center.
- The bobbin case is scratched.
- Replace the bobbin case. Contact your retailer or nearest authorized service center.
- The bobbin is not designed for this machine.
- Use only a bobbin designed for this machine, as other bobbins will not work properly.
The upper thread breaks11 checks
- The upper thread is threaded incorrectly, such as when the spool is fitted incorrectly or the thread has slipped out of the guide above the needle.
- Rethread the upper thread correctly.
- The thread has knots or tangles.
- Remove the knots or tangles.
- The needle does not suit the thread being used.
- Choose a needle suited to the stitch type.
- The upper thread tension is too tight.
- Reduce the upper thread tension.
- Thread is tangled, possibly in the bobbin case.
- Remove the tangled thread. If it is tangled in the bobbin case, clean the bobbin case.
- The needle is bent or dull.
- Replace the needle.
- The needle is inserted incorrectly.
- Insert the needle correctly.
- The area around the needle plate hole is scratched.
- Replace the needle plate. Contact your retailer or nearest authorized service center.
- There are scratches around the presser foot hole.
- Fit a replacement presser foot. Contact the retailer or your nearest authorized service center.
- The bobbin case has scratches or a burr.
- Fit a replacement bobbin case. Contact the retailer or your nearest authorized service center.
- The bobbin is not designed for this machine.
- Use only a bobbin designed for this machine, as other bobbins will not work properly.
The lower thread is tangled or breaks5 checks
- The bobbin thread is wound incorrectly.
- Wind the bobbin thread correctly.
- The bobbin is scratched or does not turn smoothly.
- Replace the bobbin.
- The thread is tangled.
- Remove the tangled thread and clean the bobbin case.
- The bobbin is not designed for this machine.
- Use only a bobbin designed for this machine, as other bobbins will not work properly.
- The bobbin is set incorrectly.
- Reset the bobbin thread correctly.
The thread tension is incorrect7 checks
- The upper thread is threaded incorrectly.
- Rethread the upper thread correctly.
- The bobbin thread is wound incorrectly.
- Wind the bobbin thread correctly.
- The thread and needle do not suit the fabric.
- Choose a thread and needle suited to the fabric.
- The presser-foot holder is attached incorrectly.
- Attach the presser-foot holder correctly.
- The thread tension is set incorrectly.
- Adjust the upper thread tension.
- The bobbin is not designed for this machine.
- Use only a bobbin designed for this machine, as other bobbins will not work properly.
- The bobbin is set incorrectly.
- Reset the bobbin thread correctly.
The fabric is wrinkled6 checks
- The upper thread is threaded incorrectly or the bobbin is fitted incorrectly.
- Thread the upper thread and wind the bobbin thread correctly.
- The spool is fitted incorrectly.
- Fit the spool correctly.
- The thread and needle do not suit the fabric.
- Choose a thread and needle suited to the fabric.
- The needle is bent or dull.
- Replace the needle.
- When sewing thin fabric, the stitch is too thick.
- Place stabiliser material under the fabric while sewing.
- The thread tension is set incorrectly.
- Adjust the upper thread tension.
Stitches are skipped5 checks
- The upper thread is threaded incorrectly.
- Rethread the upper thread correctly.
- The fabric, thread, and needle are not properly matched.
- Select thread and a needle suited to the fabric.
- The needle is bent or dull.
- Replace the needle.
- The needle is inserted incorrectly.
- Insert the needle correctly.
- Dust has collected under the needle plate or in the bobbin case.
- Remove the needle plate cover, then clean the plate and bobbin case.
There is a high-pitched noise while sewing4 checks
- Dust has collected in the feed dogs or bobbin case.
- Clean the bobbin case.
- The upper thread is threaded incorrectly.
- Rethread the upper thread correctly.
- The bobbin case is scratched.
- Replace the bobbin case. Contact your retailer or nearest authorized service center.
- The bobbin is not designed for this machine.
- Use only a bobbin designed for this machine, as other bobbins will not work properly.
The needle threader can not be used2 checks
- The needle holder is below its highest position.
- Raise the needle by turning the handwheel toward you (counterclockwise) until its mark points up, or press the needle position button once or twice.
- The needle is inserted incorrectly.
- Insert the needle correctly.
The stitch is not sewn correctly3 checks
- The presser foot does not suit the selected stitch.
- Attach the presser foot suited to the stitch.
- The thread tension is set incorrectly.
- Adjust the upper thread tension.
- Thread is tangled, possibly in the bobbin case.
- Remove the tangled thread. If it is tangled in the bobbin case, clean the bobbin case.
The fabric does not feed4 checks
- The feed dogs are in the lowered position.
- Move the feed dog position lever to [target position missing from source].
- The stitch is too fine.
- Increase the stitch length.
- The fabric, thread, and needle are not properly matched.
- Select thread and a needle suited to the fabric.
- Thread is tangled, possibly in the bobbin case.
- Remove the tangled thread. If it is tangled in the bobbin case, clean the bobbin case.
The sewing light bulb does not come on1 check
- The sewing lamp has damage.
- Contact the retailer or your nearest authorized service center.