Brother PR1X Operation Manual

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APPENDIX

The area around the hole in the needle plate is

damaged.

1 Scratches/Burrs

• Replace the needle plate.

The needle hits/touches the needle plate.

1 Needle

2 Hole in needle plate

3 Needle hits hole

• Replace the needle.

The presser foot is set too high and not correctly

positioned.

The needle hits/touches the presser foot.

The area around the presser foot hole is

damaged.

1 Scratches/Burrs

• Replace the presser foot.

Sliding surface on hook race is not smooth. There

are scratches or burrs on it.

1 Hook race area

The bobbin or bobbin case is not correctly

installed.

23, 28

The hook is not correctly installed. *

Symptom

Probable Cause/Remedy Page

The needle breaks.

The hook stopper is not correctly installed, the

hook is making a complete rotation.

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.

The upper thread tension is set too high. 82

A bobbin designed specifically for this machine is

not used.

The needle and the hook are not correctly

passing each other.

• Hook timing may be OFF.

The thread density of the embroidery data is too

fine.

Three or more overlapping stitches are being

embroidered.

• Using a data design system, correct the thread

density and overstitching settings in the

embroidery data.

107

The thread is not cut automatically.

Lint or dust has accumulated around the needle

plate (moving knife, fixed knife or thread retaining

plate).

A bobbin case designed specifically for this

machine is not used.

• Use the correct bobbin case.

—

Lint or dust has accumulated in the thread

tension disc.

After the threads are automatically cut, the upper

thread is too short and comes out of the needle.