37
14+ Troubleshooting Instruction
Issues
Cause
Solution
Machine stitching troubleshooting - continued
Thread Breaking
Thread tension too tight
Decrease tension (page 31)
Machine not threaded correctly
Inspect for accidental double wrapping
of thread on thread guides, make sure
thread mast is directly over thread spool,
make sure thread spool is correctly
installed
Hesitating too long at one point
Move machine quicker within speed
limitations so stitches don't overlap or
build up, sewing in one place will cause
thread to break
Bobbin has a burr on it
Check and replace the bobbin
Bobbin not inserted correctly
Remove the bobin and make sure that
it clicks when you press it into the hook
assembly
Top thread and bobbin thread tensions not
balanced
Make sure bobbin tension is adjusted
correctly
Debris on tension discs
Clean between and around the tensioner
discs
Hook holder pressing against hook assembly or
doesn't have enough space
Redajust the hook holder (page 28)
Bobbin is not correctly wound
Check the bobbin to ensure that it is
properly wound and that it is properly
inserted into the bobbin case (page 15-
16)
Timing needs to be adjusted
if needle is hitting the hook thread will
break. Follow the timing instructions
(page 30)
Needle bent or burred
Replace the needle
Hook assembly needs to be replaced
Contact your Sewing Machine Dealer
Needle plate off center rubbing needle
See needle plate instructions (page 27)
Machine Is Running Loud
Hook assembly needs oil
Only one or two drops of oil see
instructions under oiling my machine
Needle bar and mechannics need oil
Only one or two drops of oil
Bobbin winder is runnung
Make sure the bobbin winder cam is
pushed out
