Singer PROMISE 1409 [30/62] Troubleshooting guide
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Singer PROMISE 1409 [30/62] Troubleshooting guide

Singer PROMISE 1409 [30/62] Troubleshooting guide
27
Troubleshooting Guide
Problem Cause Correction
Upper thread
breaks
Lower thread
breaks
Skipped stitches
Needle breaks
Loose stitches
Seams gather or
pucker
Uneven stitches,
uneven feed
The machine is
noisy
The machine
jams
1. The machine is not threaded correctly.
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.
1. The bobbin case is not inserted correctly.
2. The bobbin case is threaded wrong.
3. The lower thread tension is too tight.
1. The needle is not inserted correctly.
2. The needle is damaged.
3. The wrong size needle has been used.
4. The foot is not attached correctly.
1. The needle is damaged.
2. The needle is not correctly inserted.
3. Wrong needle size for the fabric.
4. The wrong foot is attached.
1.The machine is not correctly threaded.
2. The bobbin case is not correctly threaded.
3. Needle/ fabric/ thread combination is wrong.
4. Thread tension wrong.
1.The needle is too thick for the fabric.
2. The stitch length is wrong adjusted.
3. The thread tension is too tight.
1. Poor quality thread.
2. The bobbin case is wrong threaded.
3. Fabric has been pulled.
1. Lint or oil have collected on the hook or needle bar.
2. The needle is damaged.
Thread is caught in the hook.
1. Rethread the machine.
2. Reduce the thread tension. (lower number)
3. Select a larger needle.
4. Remove and reinsert the needle. (flat side towards the back)
5. Remove the reel and wind thread onto reel.
6. Replace the needle.
1. Remove and reinsert the bobbin case and pull on the thread.
The thread should pull easily.
2. Check both bobbin and bobbin case.
3. Loosen lower thread tension as described.
1. Remove and reinsert needle. (flat side towards the back)
2. Insert a new needle.
3. Choose a needle to suit the thread and fabric.
4. Check and attach correctly.
1. Insert a new needle.
2. Insert the needle correctly. (flat side towards the back)
3. Choose a needle to suit the thread and fabric.
4. Select the correct foot.
1. Check the threading.
2. Thread the bobbin case as illustrated.
3. The needle size must suit the fabric and thread.
4. Correct the thread tension.
1. Select a finer needle.
2. Readjust the stitch length.
3. Loosen the thread tension.
1. Select a better quality thread.
2. Remove bobbin case, thread and insert correctly.
3. Do not pull on the fabric while sewing, let it be taken up by the
machine.
1. Clean the hook and feed dog as described.
2. Replace the needle.
Remove the upper thread and bobbin case, turn the handwheel
backwards and forwards by hand and remove the thread.

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Troubleshooting Guide Problem Cause Correction Upper thread breaks 1 The machine is not threaded correctly 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 1 Rethread the machine 2 Reduce the thread tension lower number 3 Select a larger needle 4 Remove and reinsert the needle flat side towards the back 5 Remove the reel and wind thread onto reel 6 Replace the needle Lower thread breaks 1 The bobbin case is not inserted correctly 2 The bobbin case is threaded wrong 3 The lower thread tension is too tight 1 Remove and reinsert the bobbin case and pull on the thread The thread should pull easily 2 Check both bobbin and bobbin case 3 Loosen lower thread tension as described Skipped stitches 1 The needle is not inserted correctly 2 The needle is damaged 3 The wrong size needle has been used 4 The foot is not attached correctly 1 Remove and reinsert needle flat side towards the back 2 Insert a new needle 3 Choose a needle to suit the thread and fabric 4 Check and attach correctly Needle breaks 1 The needle is damaged 2 The needle is not correctly inserted 3 Wrong needle size for the fabric 4 The wrong foot is attached 1 Insert a new needle 2 Insert the needle correctly flat side towards the back 3 Choose a needle to suit the thread and fabric 4 Select the correct foot Loose stitches I The machine is not correctly threaded 2 The bobbin case is not correctly threaded 3 Needle fabric thread combination is wrong 4 Thread tension wrong 1 Check the threading 2 Thread the bobbin case as illustrated 3 The needle size must suit the fabric and thread 4 Correct the thread tension Seams gather or pucker I The needle is too thick for the fabric 2 The stitch length is wrong adjusted 3 The thread tension is too tight 1 Select a finer needle 2 Readjust the stitch length 3 Loosen the thread tension Uneven stitches uneven feed 1 Poor quality thread 2 The bobbin case is wrong threaded 3 Fabric has been pulled 1 Select a better quality thread 2 Remove bobbin case thread and insert correctly 3 Do not pull on the fabric while sewing let it be taken up by the machine The machine is noisy 1 Lint or oil have collected on the hook or needle bar 2 The needle is damaged 1 Clean the hook and feed dog as described 2 Replace the needle The machine jams Thread is caught in the hook Remove the upper thread and bobbin case turn the handwheel backwards and forwards by hand and remove the thread 27

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