MODEL REFERENCE

Brother 1634D

6 troubleshooting topics

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

Find a code or problem on this model

Troubleshooting

Find the problem you are experiencing

Fabric does not feed1 check

Presser foot pressure is too low.: Turn the pressure adjustment screw clockwise to increase the pressure.

Needles break3 checks

A needle is bent or blunt.: Fit a new needle.
The needles are installed incorrectly.: Install the needles correctly.
The fabric is being pulled too hard.: Let the fabric feed without pressing or pulling it hard.

Threads break5 checks

The machine is threaded incorrectly.: Rethread the machine correctly.
Thread is tangled at a spool pin or thread holder.: Check the spool pins and thread holders, then clear any tangled thread.
Thread tension is too tight.: Adjust the thread tension using the manual’s tension instructions.
The needles are installed incorrectly.: Install the needles correctly.
The needle type is incorrect.: Use the correct needle; the manual suggests Schmetz 130/705H.

Skipped stitches5 checks

A needle is bent or blunt.: Fit a new needle.
The needle is installed incorrectly.: Install it correctly.
The needle type is incorrect.: Use the correct needle; the manual suggests Schmetz 130/705H.
The machine is threaded incorrectly.: Rethread the machine correctly.
Presser foot pressure is too low.: Turn the pressure adjustment screw clockwise to increase the pressure.

Stitches are uneven1 check

Thread tensions are set incorrectly.: Adjust the thread tensions as described in the manual.

Fabric puckers2 checks

Thread tension is too tight for light fabric.: Reduce the thread tension when sewing lightweight or fine fabric.
The threading is incorrect or tangled.: Rethread the machine correctly and clear any tangles.