Trouble Shooting Guide - ELNA Carina Instruction Manual

Trouble shooting guide

Before calling for service, check the following items. If the problem still persists, contact the place of
purchase or your nearest authorized dealer.
Problem
Upper thread
1. The machine is not threaded correctly.
breaks
2. The thread tension is too tight.
3. The thread is too thick for the needle.
4. The needle is not inserted correctly.
5. The thread is wound around the spool holder
pin.
6. The needle is damaged.
Lower thread 1. The bobbin case is not inserted correctly.
breaks
2. The bobbin case is threaded wrong.
3. The lower thread tension is too tight
Skipped 1. The needle is not inserted correctly.
stitches
2. The needle is damaged.
3. The wrong size needle has been used.
4. The foot is not attached correctly.
5. The machine is not threaded correctly.
Needle 1. The needle is damaged.
breaks
2. The needle is not correctly inserted.
3. Wrong needle size for the fabric.
4. The wrong foot is attached.
5. The needle clamp screw is loose.
6. The presser foot that is used is not
appropriate for the type of stitch that you
wish to sew.
7. The upper thread tension is too tight.
Loose 1. The machine is not correctly threaded.
stitches
2. The bobbin case is not correctly threaded.
3. Needle/ fabric/ thread combination is
wrong.
4. Thread tension is wrong.
1. The needle is too thick for the fabric.
Seam
gather or
2. The stitch length is adjusted wrong.
pucker
3. The thread tension is too tight.
Cause
1. Rethread the machine.
2. Reduce the thread tension (lower number).
3. Select a larger needle.
4. Remove and reinsert the needle (flat side
5. Remove the reel and wind thread onto reel.
6. Replace the needle.
1. Remove and reinsert the bobbin case and
2. Check both bobbin and bobbin case.
3. Loosen lower thread tension as described.
1. Remove and reinsert needle (flat side
2. Insert a new needle.
3. Choose a needle to suit the thread.
4. Check and attach correctly.
5. Rethread the machine.
1. Insert a new needle.
2. Insert the needle correctly (flat side towards
3. Choose a needle to suit the thread and
4. Select the correct foot.
5. Use the screwdriver to firmly tighten the
6. Attach the presser foot that is appro-priate
7. Loosen the upper thread tension.
1. Check the threading.
2. Thread the bobbin case as illustrated.
3. The needle size must suit the fabric and
4. Correct the thread tension.
1. Select a finer needle.
2. Readjust the stitch length.
3. Loosen the thread tension.
62
Correction
towards the back).
pull on the thread. The thread should pull
easily.
towards the back).
the back).
fabric.
screw.
for the type of stitch that you wish to sew.
thread.
Reference
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Page 14
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Page 10
Page 10
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Page 7
Page 7
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Page 5
Page 11
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Page 64
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Page 64
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