SINGER 14T948DS - Manual (Page 34)

Trouble shooting guide
Thread breaks Thread tension is too tight for thread
used.
The machine is not threaded correctly.
Needles are incorrectly inserted.
Reduce thread tension.
Check the threading.
Insert needles fully into needle clamp with
flat side to the back.
27
17/19
21/23
15
Needles break Needles are bent, blunt or the points
are damaged.
Needles not inserted correctly.
Fabric was pulled while sewing.
Replace the needles.
Insert needles fully into needle clamp with
flat side to the back.
Guide fabric gently with both hands.
15
15
25
Skipped stitches Needles are bent or blunt.
Wrong needles used.
, Replace the needles.
Use system HAx1 (130/705H) needles.
15
Poor stitch formation Thread is not wound correctly round
tension dials.
Check threading. 17/19
21/23
Seams flute or wave (knits) Differential feed is set incorrectly.
Fabric was pulled while sewing.
Adjust differential feed between N and 8 31
Seams pucker Differential feed is set incorrectly. Adjust differential feed between N and 5 31
Fabric edges curl Too much fabric in the stitch
formation.
Reduce cutting width, knife to the left. 29
Thread loops are loose Too little fabric in the stitch formation. Increase the cutting width, knife to the right. 29
Machine does not sew Gord not plugged in correctly.
Main switch not on.
Check plug.
Switch machine on “ 1
11
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