Sears KENMORE 385.1915 - Manual (Page 100)

SECTION 6. PERFORMANCE PROBLEMS CHART
f ........................
Condition Cause
..................................... ... ................V
Reference
Seam puckering.
1. The needle thread tension is too tight.
2. The nesdie thread Is not threaded correctiy.
3. The needle is too heavy for the fabric being sewn,
4. The stitch length is too tong for the fabric,
5. The presser foot pressure is not correctly adjusted.
Refer to page 23
Refer to page 21
Refer to page 17
Make stitch dense
Refer to page 8
The cloth is not feeding
smoothly.
1. The feed dog is packed with tint.
2. The presser foot pressure is too weak.
3. The stitches are too fine.
4. The feed dog was not raised after "drop feed" was used.
Refer to page 99
Refer to page 8
Make stitch coarsen
Refer to page 32
Gathering,
1. The needle thread tension is too loose.
2. The needle is too heavy or light for the fabrics being sewn.
Refer to page 23
Refer to page 17
The machine doesn't work.
1. The machine is not plugged in or plugs are not fully Inserted.
2. A thread is caught in the hook race,
3. The bobbin winder spindle is kept in the winding position.
Refer to page 7
Refer to page 99
Refer to page 19
Patterns are distorted. 1. The bobbin winder spindle is kept in the winding position. Refer to page 19
The automatic buttonhole
stitches are not working. 1. The stitch length is not suitable for the fabric being sewn.
2. Interfacing is not used with stretch fabrics.
Refer to page 68
Use interfacing
Noisy opération.
1. There is thread caught in the hook race,
2. Lint has built up in the bobbin holder or hook race.
3. When turn on the power switch, slight resonant sound is coming out from the
stepping motors.
Refer to page 99
Refer to page 99
Not abnormal
IVlachine is stopped on the
sewing, ignore the button
you press or does not
change the display on the
LCD.
V
Safety circuit for static electricity countermeasure is working. Turn off the power switch once, and
turn on the power switch again.
98