28 BA_VEB200-1-2_A2_180618_en
Unintended skip stitching
Possible reasons:
- wrong looper setting
- wrong setting of loop stroke/needle stroke, therefore insufficient loop
formation (small/big)
- chaining finger damaged or not correctly set
- wrong setting of cloth retainer or cloth retainer pressure
Solutions:
- operate machine manually, check the looper motion
- check the settings, re-set, if necessary, replace damaged parts
- change thread feed through thread take-up, if necessary
Machine does not start, although the control lamp at the main switch
lights
Possible reasons:
- thread trimmer not in final position, micro switch locks
- control error
- mechanical damage, machine blocks
Solutions:
- switch machine off and on again, check the knifes cutting position,
check the programming
- eliminate mechanical problem, call service, if necessary
The fabric is marked or damaged
Possible reasons:
- unsuitable feed dog teeth
- plunger shape unsuitable for the fabric to be sewn
- pressure of cloth retainer too high
- wrong setting of feed plates pressure
- damaged sewing tools (lower side of needle plate)
- unsuitable needle or thread size
Solutions:
- replace feed dog or plunger (variable sewing tools)
- check pressures, sewing tools and their functions, replace or repolish
damaged parts
- choose most suitable needles and threads
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