Bernina Record 830, Manual

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167
Troubleshooting
Fault
Cause
Repair
Screen does not respond
Calibration data incorrect ECO function switched on
Re-calibrate the screen in the Setup Program Turn off ECO function
Sewing computer fails to run or runs slowly
Plug not properly inserted Sewing/embroidery computer is kept in a cold room Sewing computer is not switched on
Insert plug properly Place it in a warm room for 1 hour before use Turn on sewing computer (to «I»)
Needle breaks
Needle not correctly inserted Fabric is pulled Fabric was pulled when thick material used Poor quality thread with knots
Tighten the needle clamp screw Do not pull the fabric during sewing Use the correct presser foot for thick material (e.g. Jeans foot No. 8); use height compensating tool when sewing over a thick seam Use quality thread
Faulty Stitching
Remnants of threads between the tension discs of upper thread tension
Raise presser foot. Pull folded, thin fabric (do not use fabric edge) between the tension discs and clean them by moving the fabric sideways over the front and back of the thread tension disc
LED on the key does not light up
LED defective ECO function switched on
Have the sewing-/embroidery computer checked by a dealer Turn off ECO function
LED sewing light and free-arm light do not light up
LED defect ECO function turned on
Have the sewing-/embroidery computer checked by a dealer Turn off ECO function
Attached presser foot not recognised
Sensors (of presser foot, sewing computer) may be dirty
Clean se
nsors with a soft, slightly damp cloth