SOLAC SW8221 Mode D'emploi page 23

TROUBLESHOOTING:
Trouble Causes
Lamp does not 1. No pwer supply.
illuminate
2. AC adaptor are not installed
correctly.
3. AC adaptor are dead
Machine runs 1. No pwer supply.
slowly
2. AC adaptor are not installed
correctly.
3. AC adaptor are dead
Machine does not 1. No pwer supply.
run
2. AC adaptor are not installed
correctly.
3. AC adaptor are dead
Stitches not 1. Upper thread not threaded
regular correctly.
2. Needle is bent.
3. Dust buildup in the bobobbin case
Bobbin thread 1. Out of bobbin thread.
does not come out
2. Incorrect threading.
from the bobbin
Thread keeps 1. Knots and tagles in the thread.
breaking
2. Upper thread or bobbin thread
threaded incorrectly.
3. Needle is bent.
4. Needle incorrectly installed.
5. Too much thread tension.
Stitches are loose 1. Upper thread does not feed pro-
or uneven. perly from the thread spool.
2. The upper thread is too loose.
Needle breaks 1. Needle is bent or deformed.
2. Needle incorrectly installed.
3. Needle clamp screw is loose.
Threat gets tan- 1. Thread gets tangled inside
gled and does not
work
Needle gets stuck 1. Needle does not penetrate
in thick fabric smoothly.
Stitch (thread 1. Using a non-metallic bobbin.
tension) out of
adjustment-
Needle hit needle 1. The needle is bent or deformed
palte or foot
presser
Solution
1. Turn the power supply switch ON and supply power.
2. Make sure the AC adaptar are oriented correctly and reinstall them
3. Install new the AC adaptor
1. Turn the power supply switch ON and supply power.
2. Make sure the AC adaptar are oriented correctly and reinstall them
3. Install new the AC adaptor
1. Turn the power supply switch ON and supply power.
2. Make sure the AC adaptar are oriented correctly and reinstall them
3. Install new the AC adaptor
1. Correctly thread the upper thread.
2. Remove the old needle. Install a new needle.
3. Clean the bobbin case
1. Wind thread onto the bobbin or install a loaded bobbin.
2. Thread the needle correctly (from the front).
1. Use scissors to cut out thread knots and tangles.
2. Check how to assemble upper thread or bobbin thread, to thread the machine
correctly.
3. Remove the old needle and install a new one.
4. Install needle correctly.
5. Turn the upper thread adjustment dial for 3-5 degrees and loosen thread
tension.
1. Reinstall the spool and make sure the spool turns smoothly.
2. Reinstall the spool and make sure the spool turns smoothly.
1. Remove the old needle. Install a new needle.
2. Install needle correctly.
3. Firmly tighten the needle clamp screw.
1. Turn off the power and slowly turn the pulley toward you to pull out the tangled
thread.
1. Set the operating switch to STOP, turn the pulley toward you, try making 2-3
stitches, and then move the operating switch.
1. Use a metal bobbin
1. Install a new needle