VERITAS 9000A5, Руководство по эксплуатации

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Malfunction Possible cause Remedy Page
Seam error /
Seam puckering – The wrong presser foot is used – Select the correct presser foot 6, 9, 28 ff
– The thread tension is too high – Reduce the thread tension 15
– The needle is too large for the fabric – Select the correct needle 18
– The stitch length is too long for the fabric – Reset the stitch length 22
– The contact pressure of the presser foot is too low – Increase the contact pressure 18
The machine
jams – Thread is caught in the needle bar – Remove the upper thread and bobbin case, turn the
handwheel backwards and forwards by hand and remove
the thread and lint. If the motor was jammed for several
seconds, the protection switch may be triggered. Switch the
machine off and on again after a few seconds
12, 13
– Feed dog is full of lint – Remove the lint from the feed dog and hook areas 53
The machine
is noisy
– Lint or oil have collected on the hook or needle bar – Clean the hook 53
– Wrong or poor quality oil – Only use good quality sewing machine oil
– The needle is damaged – Replace the needle 10
– Humming sound coming from internal motor – Normal
– Thread is caught in the needle bar – Remove the upper thread and bobbin case, turn the
handwheel backwards and forwards by hand and remove
the thread and lint. If the motor was jammed for several
seconds, the protection switch may be triggered. Switch
the machine off and on again after a few seconds a few seconds
12, 13
– Transport is full of lint – Remove the lint from the transport area and hook 53
The stitches
and the feed
are uneven – Poor quality thread – Select a better thread quality
– The bobbin case is threaded wrong – Remove the bobbin case with the bobbin and insert correctly
– The material was pulled during sewing – Never pull on the material during sewing, just guide it
– The needle thread tension is too high – Lower the thread tension 15
– The needle/ material/ thread combination is wrong – Adapt the combination 18
The machine does
not operate – The machine is not switched on – Move the main switch to « I » (=on)
– Pin of the hook bobbin is in the «bobbin» position – Move the pin of the hook bobbin to the left to the
«sewing» position
11
– The presser foot is not lowered – Lower the presser foot 17
– The machine is not connected – Connect the plug to the mains supply 7
53
18
12
7
Veritas 9000A5
Troubleshooting
56