Baby Lock imagine wave BLE3ATW, Service Manual

10. TROUBLE SHOOTING 

10-1 NEEDLE THREADS ARE UNBALANCED ;

* Is the serger threaded correctly?

See Quick Reference Guide

* Are the threads snapped in the head guide?  See Instruction Book P.12
* Is the stitch selector positioned correctly?  See Quick Reference Guide
* Is the looper thread fine-tuning screw positioned correctly? 

See Instruction Book P.13

* Are the threads recommended high quality?   See Instruction Book P.7 
* Is the needle thread sensor cable positioned correctly?

See P7, 3-6

* Is the needle thread sensor cable adjusted correctly?     See P9, 4 

10-2 LOOPER THREADS ARE UNBALANCED ;

* Is the serger threaded correctly?   See Quick Reference Guide
* Are the threads snapped in the head guide?  See Instruction Book P.12
* Is the stitch selector positioned correctly?  See Quick Reference Guide

* Is the looper thread fine-tuning screw positioned correctly? 

See Instruction Book P.13

* Are the threads recommended high quality?   See Instruction Book P.7 

* Is the serger threaded correctly?   See Quick Reference Guide
* Are the threads snapped in the head guide?  See Instruction Book P.12
* Is the stitch selector positioned correctly?  See Quick Reference Guide

* Is the looper thread fine-tuning screw positioned correctly? 

See Instruction Book P.13

* Are the threads recommended high quality?   See Instruction Book P.7 

* Is the looper thread sensor cable positioned correctly?  

See P7, 3-6

* Is the looper thread sensor cable adjusted correctly?     See P9, 4

10-3 THREAD BREAKS ;

10-4 NEEDLE THREADER WORKS IMPROPERLY ; 

* Are the needles inserted until the end of clamp holder?

See P11, 5

* Is the height of each needle correct?

See P 2 

* Is the adjustment of needle threader correct?

See P11, 5

10-5 JET AIR THREADER DOES NOT WORK

*Is air deflated from pump?   See P13, 7  
*Are pipes connected properly?   See P13, 6
*Are there any lints or thread in pipes?  

10-6 WAVE STITCH IS NOT FORMED;

*Is the machine threaded correctly?     See Quick Reference Guide 
*Is the machine set for 3-Thread Wave stitching?    See Instruction Book P.33
*Is the Wave Selector shows "W" ?   See Instruction Book P.33  

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*For Rolled Wave Edging, is the stitch length dial set for "ROLLED HEM" ?   See Instruction Book P.35

*Is the Stitch Selector set correctly?  Set the Stitch Selector at "B" for 3-Thread Wave Stitch

 or "C" for 3-Thread Rolled Wave Stitch.    See Instruction Book P.34,35