40
Condition
Gathering
The machine doesn’t
work.
Patterns are
distorted.
The automatic
buttonhole stitches
are not working.
Noisy operation
Cause
1. The needle thread tension is too loose.
2. The needle is too heavy or light for the fabrics being sewn.
1. The machine is not plugged in.
2. A thread is caught in the hook race.
3. The bobbin winder spindle is still in the winding position.
1. The stitch is not balanced.
1. The stitch density is not suitable for the fabric being sewn.
2. Interfacing is not being used with stretch fabrics.
1. There is thread caught in the hook race.
2. Lint has built up in the bobbin holder or hook race.
3. Slight humming sound coming from internal motor.
Reference
Refer to page 15
Refer to page 18
Refer to page 4
Refer to page 38
Refer to page 7
Refer to page 36
Refer to page 24
Refer to page 21
Refer to page 38
Refer to page 38
Not abnormal
Troubleshooting, cont'd
STOP FOR SAFETY PURPOSE
This message may appear on the display screen for 15 seconds when the machine stops by the reasons of thread jamming, fabric
sewn is too heavy or the needle is bent, etc...
Please remedy the problem and restart the machine.
Summary of Contents for memory craft 2400
Page 1: ...2400 INSTRUCTION BOOK...