100
GENERAL PROBLEMS
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* Power switch is turned off.- Turn on the switch. (see page 10 - 11).
* Buttonhole lever is not raised when sewing stitch patterns.
– Raise buttonhole lever. (see page 52 - 55).
* Buttonhole lever is not lowered when sewing buttonhole.
– Lower buttonhole lever. (see page 52 - 55).
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* Needle is damaged. - Replace needle. (see page 20 - 21).
Fabric does not move.
* Presser foot is not lowered - Lower presser foot. (see page
98 - 99).
* Stitch length is too short - Lengthen stitch length. (see page
24 - 27).
* Feed dogs are lowered - Raise feed dogs. (see page 98 - 99).
STITCHING PROBLEMS
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* Needle is not all the way up into needle clamp. (see page 20
- 21).
* Needle is bent or blunt. - Replace needle. (see page 20 - 21).
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7KUHDGLVFDXJKWLQKRRN&OHDQKRRNVHHSDJH
Stitches are irregular.
* Needle size is not correct for thread and fabric. (see page 20
- 21).
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* Top thread tension is too loose. (see page 22 - 23).
* Fabric is being pulled or pushed against machine feeding
action. - Guide it gently.
* Bobbin has not been wound evenly. - Rewind bobbin. (see
page 12 - 13).
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* Fabric is being pulled or pushed against machine feeding
action. - Guide it gently.
* Needle size is not correct for thread and fabric. (see page 20
- 21).
* Needle is not all the way up into the needle clamp. (see page
20 - 21).
THREAD PROBLEMS
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* Top thread tension is too tight. (see page 22 - 23).
* Needle is bent. - Replace needle. (see page 20 - 21).
* Needle size is not correct for thread and fabric. (see page 20
- 21).
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* Bobbin case is not threaded correctly. (see page 14 - 15).
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(see page 102 - 103).
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* Top thread tension is too tight. - Adjust thread tension.
(see page 22 - 23).
* Stitch length is too long for sheer or soft fabric. - Shorten
stitch length. (see page 24 - 27).
PERFORMANCE CHECKLIST
Summary of Contents for XL-420
Page 1: ...XL 420 INSTRUCTION MANUAL MANUEL D INSTRUCTION MANUAL DE INSTRUCCIONES ...
Page 122: ...120 ...
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