Bernina Bernette 50 Sewing Machine Manual

The Bernina Bernette 50 is a versatile electronic sewing machine featuring 50 built-in stitches, one-step buttonhole, automatic needle threader, adjustable stitch length and width, free arm capability, LED lighting, built-in thread cutter, and multiple presser feet. Powered by standard household outlet with foot pedal control. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Unpacking and Setup 3. First-Time Operation 4. Technical Specifications 5. Controls and Functions 6. Stitch Selection Guide 7. Presser Feet Applications 8. Maintenance & Cleaning 9. Accessories Included 10. Warranty Information 11. Troubleshooting Guide

Features at a Glance

Key components: Electronic control panel, built-in stitches, automatic features, accessory compartment, free arm design.

FeatureDescription
Built-in stitches50 different stitch patterns including utility, decorative, and stretch stitches
One-step buttonholeAutomatic buttonhole creation with precise sizing
Automatic needle threaderEasy threading with push-button mechanism
Adjustable stitch length0-4mm stitch length adjustment
Adjustable stitch width0-5mm stitch width for zigzag and decorative stitches
Free arm capabilityRemovable extension table for sewing sleeves and cuffs
LED work lightBright illumination of sewing area
Built-in thread cutterConvenient thread cutting blade on machine front
Reverse stitch buttonSecure stitching at beginning and end of seams
Speed control sliderAdjustable sewing speed for precision work

Unpacking and Setup

Carefully unpack all components and place on stable surface.

  1. Remove machine from packaging: Lift by carrying handle, not by accessories.
  2. Attach extension table: Slide into position until it clicks securely.
  3. Install foot pedal: Connect to machine port and place on floor.
  4. Connect power: Plug power cord into machine and wall outlet.
  5. Wind bobbin: Follow bobbin winding instructions in manual.

WARNING! Machine is heavy; lift with care using carrying handle. Ensure stable work surface.

First-Time Operation

Power on machine; follow setup procedure.

  1. Thread machine: Follow numbered threading path on machine.
  2. Insert bobbin: Place bobbin in case with thread unwinding counterclockwise.
  3. Select basic stitch: Choose straight stitch for initial testing.
  4. Test on scrap fabric: Practice stitching on fabric scrap before projects.
  5. Adjust tension: Check stitch formation and adjust tension if needed.

CAUTION! Keep fingers away from needle area during operation. Turn off when not in use.

Technical Specifications

Controls and Functions

Access functions via electronic control panel and mechanical dials.

Control Panel: Stitch selection dial, stitch length dial, stitch width dial, reverse button, needle up/down button.

Stitch Selection: Turn dial to choose from 50 stitches. Stitch Length: Adjust for shorter/longer stitches. Stitch Width: Control zigzag and decorative stitch width. Reverse: Secure stitching at seam ends. Needle Position: Stop with needle up or down as preferred. Tension Control: Adjust for different fabric types and threads.

Stitch Selection Guide

50 stitches organized by function: utility, decorative, stretch, and specialty stitches.

  1. Straight Stitches: 1-6 for basic sewing and topstitching
  2. Zigzag Stitches: 7-12 for finishing edges and appliqué
  3. Stretch Stitches: 13-18 for knit fabrics and elastic
  4. Decorative Stitches: 19-35 for embellishment and creative projects
  5. Buttonhole Stitches: 36-40 for various button types
  6. Blind Hem Stitches: 41-45 for invisible hemming
  7. Overcast Stitches: 46-50 for seam finishing

Tip: Always test stitches on fabric scrap before starting project.

Presser Feet Applications

Multiple presser feet included for different sewing techniques.

  1. All-purpose foot: General sewing on most fabrics
  2. Zipper foot: Installing zippers and piping
  3. Buttonhole foot: Automatic one-step buttonholes
  4. Blind hem foot: Creating invisible hems
  5. Overcasting foot: Finishing raw fabric edges
  6. Button sewing foot: Attaching buttons securely
  7. Darning/embroidery foot: Free-motion sewing and darning

WARNING! Always raise needle before changing presser feet. Ensure foot is securely attached.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

  1. Daily: Remove lint from bobbin area and feed dogs
  2. Weekly: Oil hook race and moving parts (use sewing machine oil only)
  3. Monthly: Clean tension discs and check needle plate for burrs
  4. As needed: Replace needle after 8-10 hours of sewing

CAUTION! Unplug machine before cleaning or maintenance. Use only recommended sewing machine oil.

Accessories Included

Complete set of accessories for various sewing applications.

Warranty Information

Bernina Bernette 50 comes with 25-year limited warranty covering mechanical parts. Electronic components covered for 5 years. Labor covered for 2 years. Warranty registration required within 30 days of purchase. For warranty service, contact authorized Bernina dealer with proof of purchase.

Troubleshooting Guide

SymptomPossible CauseCorrective Action
Machine won't startPower connection/foot pedalCheck power cord connection; ensure foot pedal is plugged in properly.
Thread breakingTension/needle issuesReduce upper tension; check for burrs on needle; rethread machine.
Uneven stitchesThreading/tensionRethread both upper and bobbin threads; adjust tension settings.
Fabric not feedingFeed dogs/ presser footCheck feed dog position; ensure presser foot is lowered; clean feed dogs.
Needle breakingBent needle/wrong sizeReplace needle; ensure correct needle size for fabric; check for proper insertion.
Bobbin issuesWinding/insertionRewind bobbin evenly; ensure bobbin inserted correctly in case.
Unusual noiseLint/mechanical issueClean lint from bobbin area; check for loose parts; consult technician if persistent.

Service: Contact authorized Bernina dealer for technical support and repairs.

Support: 1-800-BERNINA; www.bernina.com

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