MODEL REFERENCE

Brother CV3550

6 troubleshooting topics

Brother CV3550

The checks and guides below come from the official manuals for this model.

Troubleshooting

Find the problem you are experiencing
Fabric does not feed1 check
The presser foot pressure is too low.
Turn the pressure adjustment screw clockwise to increase presser foot pressure.
Needles break3 checks
A needle is bent or its tip is blunt.
Fit a new needle.
A needle has been installed incorrectly.
Reinstall the needles correctly.
The fabric is being pulled with too much force.
Guide the fabric without pressing or pulling it hard as you sew.
Threads break5 checks
The machine has been threaded incorrectly.
Rethread the machine using the manual's threading sequence.
Thread is tangled around the spool pin or a holder.
Inspect the spool pin and thread holders, then remove any tangled thread.
The thread tension is too high.
Adjust the thread tension.
One or more needles are seated incorrectly.
Install the needles in the correct position.
The installed needle is the wrong type.
Use the specified needle type; the manual recommends 130/705H.
Skipped stitches5 checks
The needle is bent or has a blunt tip.
Replace the needle with a new one.
The needle is not installed correctly.
Reinstall the needle correctly.
The needle type is unsuitable.
Use the correct needle type; the manual recommends 130/705H.
The threading path is incorrect.
Rethread the machine following the manual.
Presser foot pressure is too low.
Increase presser foot pressure by turning the adjustment screw clockwise.
Stitches are uneven1 check
The thread tensions are not set correctly.
Adjust the thread tension.
Fabric puckers2 checks
Thread tension is too high for light or fine fabric.
Lower the thread tension when sewing lightweight or fine material.
The threading path is wrong or thread is tangled.
Remove tangles and rethread the machine correctly.

Manuals and sources

  1. Brother manual listing for CV3550
  2. Brother operation manual