English
TROUBLESHOOTING/TECHNICAL DATA
55
Technical specifications
Voltage:
230V ~ 50Hz
Output:
Motor 70 W
Lamp:
15 W, socket E14
Solution
Reduce the tension.
Use a needle and thread
appropriate to the fabric.
Put the needle in again.
Replace the needle.
Match needle size to the
fabric and thread.
Change foot.
Thread needle correctly.
Match needle size to fabric
and thread and put needle in.
Increase thread tension.
Oil the sewing machine.
Clean shuttle and feed dog.
Clean sewing machine
thoroughly. Oil it exclusively
with sewing machine oil.
Replace needle.
Cause(s)
Threads pulled too tight.
Needle, thread and fabric do
not match each other.
The needle is inserted
wrongly.
The needle is damaged.
The needle is inserted
wrongly.
The wrong foot is attached.
The needle is improperly
threaded.
The needle, fabric and thread
do not go together.
Thread tension is too low.
The sewing machine needs
oiling.
Bits of fluff or old oil are stik-
king to the shuttle or the
needle shaft.
Cheap oil that has gummed up
the machine was used for
oiling.
The needle is damaged.
Fault
Fabric bunches up
Stitches are missed
Loose loops during sewing
Machine is noisy and
runs unevenly
