Check The Information About The Needle And; Thread To Be Used; Adjust The Thread Tension; Check The Method For Attaching The Spool Cap - Brother 888-g80 Operation Manual

Troubleshooting
Symptom
Machine is not threaded correctly (used the
Upper thread
wrong spool cap, spool cap is loose, the thread
breaks.
did not catch the needle bar threader, etc.)
Knotted or tangled thread is being used.
Upper thread tension is too strong.
Thread is tangled.
Needle is turned, bent or the point is dull.
Needle is installed incorrectly.
There are scratches near the hole in the
embroidery foot.
There are scratches on the bobbin case.
Using improper needle or thread for the
selected fabric.
While embroidering, the thread became knotted
or tangled.
A bobbin designed specifically for this machine
is not used.
Upper threading is incorrect.
The thread is
tangled on the
wrong side of the
fabric.
Using improper needle or thread for the
selected fabric.
The bobbin thread is incorrectly installed.
The upper thread is
too tight.
Bobbin is set incorrectly.
Bobbin thread
breaks.
Bobbin thread is incorrectly wound.
There are scratches on the bobbin or it doesn't
rotate properly.
Thread is tangled.
A bobbin designed specifically for this machine
is not used.
There is a mistake in the upper or bobbin
Fabric puckers.
threading.
Spool cap is set incorrectly.
Needle is turned, bent or the point is dull.
Machine is threaded incorrectly.
Skipped stitches
Needle is turned, bent or the point is dull.
Needle is installed incorrectly.
The needle is worn/damaged.
Dust or lint has collected under the needle
plate.
A-8
Probable Cause Remedy
Rethread the machine correctly.
Remove any knots or tangles.

Adjust the thread tension.

Use scissors, etc., to cut the tangled thread and
remove it from the race, etc.

Replace the needle.

Reinstall the needle correctly.
Replace the embroidery foot, or consult your

authorized Brother dealer.

Replace the bobbin case, or consult your

authorized Brother dealer.

Check the information about the needle and

thread to be used.

Rethread upper and lower thread.

Incorrect bobbins will not work properly. Only

use a bobbin designed specifically for this

machine.
Check the steps for threading the machine and
rethread the machine. Be sure that the
embroidery foot is in the raised position when
threading the machine so that the upper thread
sets properly in the upper tension.
Check the information about the needle and
thread to be used.
Correctly install the bobbin thread.
Reset the bobbin correctly.

Use a correctly wound bobbin.

Replace the bobbin.
Use scissors, etc. to cut the tangled thread and
remove it from the race, etc.
Incorrect bobbins will not work properly. Only
use a bobbin designed specifically for this
machine.
Check the steps for threading the machine and
rethread it correctly.

Check the method for attaching the spool cap,

then reattach the spool cap.

Replace the needle.
Check the steps for threading the machine and
rethread it correctly.
Replace the needle.
Reinstall the needle correctly.
Replace the needle.
Remove the dust or lint with the brush.
Reference
B-19
–
E-26
A-2
B-23
B-23
A-5
A-2
B-23
B-17, B-19
B-14
B-19
B-23
B-17
B-17
B-17
B-14
A-2
B-14
B-19
B-14
B-23
B-19
B-23
B-23
B-23
A-2