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Upper Thread Tightened Up; Tangled Thread On Wrong Side Of Fabric; Incorrect Thread Tension - Brother 888-M00 Operation Manual

Embroidery and sewing machine.
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Upper thread tightened up

■ Symptom
• The upper thread appears as a single continuous line.
• The bobbin thread is visible from the right side of the
fabric. (Refer to the illustration below.)
• The upper thread has tightened up, and comes out
when pulled.
• The upper thread has tightened up, and wrinkles
appear in the fabric.
• The upper thread tension is tight, and the results do
not change even after the thread tension is adjusted.
a
1 Wrong side of fabric
2 Bobbin thread visible from right side of fabric
3 Upper thread
4 Right side of fabric
5 Bobbin thread
■ Cause
Incorrect bobbin threading
If the bobbin thread is incorrectly threaded, instead of the
appropriate tension being applied to the bobbin thread, it
is pulled through the fabric when the upper thread is
pulled up. For this reason, the thread is visible from the
right side of the fabric.
■ Remedy/check details
Correctly install the bobbin thread. (page 16)

Tangled thread on wrong side of fabric

■ Symptom
• The thread becomes tangled on the wrong side of the
fabric.
• After starting sewing, a rattling noise is made and
sewing cannot continue.
• Looking under the fabric, there is tangled thread in
the bobbin case.
■ Cause
Incorrect upper threading
If the upper thread is incorrectly threaded, the upper
thread passed through the fabric cannot be firmly pulled
up and the upper thread becomes tangled in the bobbin
case, causing a rattling noise.
■ Remedy/check details
Remove the tangled thread, and then correct the upper
threading.
a
b
c
c
e

Incorrect thread tension

■ Symptoms
 Symptom 1
a
■ Cause/remedy/check details
 Cause 1
The machine is not correctly threaded.
<With symptoms 1 and 2 described above>
The bobbin threading is incorrect.
Return the thread tension dial to "4", and then refer to
"Upper thread tightened up" on page 81 to correct the
threading.
Remove the tangled thread. If it cannot be removed,
cut the thread with scissors.
• For details, refer to "Cleaning the race" on page 79.
Remove the upper thread from the machine.
Correct the upper threading by following the
instructions in "Threading the upper thread" on
page 17.
• If the bobbin was removed from the bobbin case,
refer to "Installing the bobbin" on page 16 to
correctly install the bobbin.
• Symptom 1: The bobbin thread is visible from the
right side of the fabric. (Refer to illustration below)
• Symptom 2: The upper thread appears as a straight
line on the right side of the fabric.
• Symptom 3: The upper thread is visible from the
wrong side of the fabric. (Refer to illustration below)
• Symptom 4: The bobbin thread appears as a straight
line on the wrong side of the fabric.
• Symptom 5: The stitching on the wrong side of the
fabric is loose or has slack.
 Symptom 3
c
a
e
1 Wrong side of fabric
2 Bobbin thread visible from right side of fabric
3 Upper thread
4 Right side of fabric
5 Bobbin thread
6 Upper thread visible from wrong side of fabric
Troubleshooting
5
c
e
81

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  • Miryam Nov 17, 2017 04:40:
    Donde puedo comprar los accesorios le maquina de bordar y ci

    Coser 888-M00/M0​2/M03/M04, yo vivo en Peru departamen​to de Arequipa