Brother PR-620 Sewing Machine User Manual


 
Troubleshooting 201
7
The upper thread
breaks.
The needle is not correctly
installed .
Correctly install the needle. p.63
The needle set screw is loose.
Use the Allen screw driver to
tighten the needle set screw.
p.63
The needle is bent or blunt.
Replace the needle with a new
one.
p.15, 63
The area around the hole in the
needle plate is damaged.
1 Scratches/Burrs
Replace the needle plate or
consult your nearest authorized
dealer.
The needle is touching the
needle plate.
1 Needle
2 Needle plate hole
3 Needle touching hole
Consult your nearest authorized
dealer.
The presser foot is set too high
and not correctly positioned.
The needle hits/touches the
presser foot.
Consult your nearest authorized
dealer.
The area around the embroidery
foot hole is damaged.
1 Scratches/Burrs
Replace the presser foot.
Consult your nearest authorized
dealer.
Using a weak thread like a
metallic thread.
Slow down the machine sewing
speed.
p.91
Symptom Probable Cause Remedy Reference Page
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1
2
3
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