170
Troubleshooting
If the machine does not operate correctly, check for the following points/issues before requesting service.
If the suggested remedy does not correct the problem, contact your authorized Brother dealer.
Troubleshooting
Symptom
Probable Cause
Remedy
Reference Page
The embroidery
machine does not
operate.
The machine is not turned on.
Turn on the embroidery machine.
p. 28
The machine has not been unlocked.
Touch the unlock key.
p. 54
The “Start/Stop” button was not
pressed.
With the machine unlocked, press the
“Start/Stop” button.
p. 54
The needle breaks.
The needle is not installed correctly.
Correctly install the needle.
p. 72
The needle set screw is loose.
Use the Allen screwdriver to securely
tighten the needle set screw.
p. 72
The needle is bent or blunt.
Replace the needle with a new one.
p. 25, 72
The area around the embroidery foot
hole is damaged.
1
Scratches or Burrs
Replace the presser foot.
Consult your nearest authorized
Brother dealer.
The bobbin or bobbin case are not
correctly installed.
Remove and reinstall bobbin and
bobbin case.
p. 32, 33
The upper thread is not threaded
correctly.
The upper thread is catching
somewhere.
Pull the upper thread by hand from
below the presser foot, and check that
the thread moves smoothly. If the
thread does not move, it is not threaded
correctly. Thread the upper thread
correctly. Make sure the thread is
caught by the needle bar thread guide.
p. 48-51
The upper thread tension is set too
high. It does not run.
Decrease the upper thread tension and
make sure tension disc rotates when
pulling on thread.
p. 92
The area around the hole in the needle
plate is damaged.
1
Scratches/Burrs
Replace the needle plate.
Consult your nearest authorized
Brother dealer.
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