Troubleshooting Guide - Husqvarna Viking E20 User Manual

TROUBLESHOOTING GUIDE

Problem Cause
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 cor-
breaks
rectly
2.The bobbin case is threaded incorrectly
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
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
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 wrong
Seams gather 1.The needle is too thick for the fabric
or pucker
2.The stitch length is wrongly adjusted
3.The thread tension is too tight
Uneven 1.Poor quality thread
stitches,
2.The bobbin case is wrongly threaded
uneven feed
3.Fabric has been pulled
The machine 1.The machine must be lubricated
is noisy
2.Fluff or oil have collected on the hook or
needle bar
3.Poor quality oil has been used
4.The needle is damaged
The machine Thread is caught in the hook
jams
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
Correction
1. Rethread the machine
2. Reduce the thread tension (lower number)
3. Select a larger needle
4. Remove and reinsert the needle (fl at side
towards the back)
5. Remove the spool and thread again
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 (fl at 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 (fl at side to-
wards 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 fi ner needle
2. Shorten the stitch length
3. Loosen the thread tension
1. Select a better quality thread
2. Remove bobbin case and rethread and
insert correctly
3. Do not pull on the fabric while sewing, let it
be fed by the feed dogs
1. Lubricate as described
2. Clean the hook and feed dog as described
3. Only use good quality sewing machine oil
4. Replace the needle
Remove the upper thread and bobbin case,
turn the handwheel backwards and forwards
by hand and remove the thread pieces.
Lubricate as described
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