TROUBLESHOOTING GUIDE
Problem | Cause | Correction |
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Upper thread | 1.The machine is not threaded correctly | 1. Rethread the machine |
breaks | 2.The thread tension is too tight | 2. Reduce the thread tension (lower number) |
| 3.The thread is too thick for the needle | 3. Select a larger needle |
| 4.The needle is not inserted correctly | 4. Remove and reinsert the needle (flat side |
| 5.The thread is wound around the spool | towards the back) |
| holder pin | 5. Remove the spool and thread again |
| 6.The needle is damaged | 6. Replace the needle |
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Lower thread | 1.The bobbin case is not inserted cor- | 1. Remove and reinsert the bobbin case and |
breaks | rectly | pull on the thread. The thread should pull |
| 2.The bobbin case is threaded incorrectly | easily |
| 3.The lower thread tension is too tight | 2. Check both bobbin and bobbin case |
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| 3. Loosen lower thread tension as described |
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Skipped | 1.The needle is not inserted correctly | 1. Remove and reinsert needle (flat side |
stitches | 2.The needle is damaged | towards the back) |
| 3.The wrong size needle has been used | 2. Insert a new needle |
| 4.The foot is not attached correctly | 3. Choose a needle to suit the thread and |
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| fabric |
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| 4. Check and attach correctly |
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Needle | 1.The needle is damaged | 1. Insert a new needle |
breaks | 2.The needle is not correctly inserted | 2. Insert the needle correctly (flat side to- |
| 3.Wrong needle size for the fabric | wards the back) |
| 4.The wrong foot is attached | 3. Choose a needle to suit the thread and |
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| fabric |
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| 4. Select the correct foot |
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Loose | 1.The machine is not correctly threaded | 1. Check the threading |
stitches | 2.The bobbin case is not correctly | 2. Thread the bobbin case as illustrated |
| threaded | 3. The needle size must suit the fabric and |
| 3.Needle/ fabric/ thread combination is | thread |
| wrong | 4. Correct the thread tension |
| 4.Thread tension wrong |
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Seams gather | 1.The needle is too thick for the fabric | 1. Select a finer needle |
or pucker | 2.The stitch length is wrongly adjusted | 2. Shorten the stitch length |
| 3.The thread tension is too tight | 3. Loosen the thread tension |
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Uneven | 1.Poor quality thread | 1. Select a better quality thread |
stitches, | 2.The bobbin case is wrongly threaded | 2. Remove bobbin case and rethread and |
uneven feed | 3.Fabric has been pulled | insert correctly |
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| 3. Do not pull on the fabric while sewing, let it |
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| be fed by the feed dogs |
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The machine | 1.The machine must be lubricated | 1. Lubricate as described |
is noisy | 2.Fluff or oil have collected on the hook or | 2. Clean the hook and feed dog as described |
| needle bar | 3. Only use good quality sewing machine oil |
| 3.Poor quality oil has been used | 4. Replace the needle |
| 4.The needle is damaged |
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The machine | Thread is caught in the hook | Remove the upper thread and bobbin case, |
jams |
| turn the handwheel backwards and forwards |
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| by hand and remove the thread pieces. |
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| Lubricate as described |
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Please note that on disposal, this product must be safely recycled in accordance with relevant National legislation relating to electrical/electronic products. If in doubt please contact your retailer for guidance
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