Bernina Aurora 440QE Sewing Machine Manual

The Bernina Aurora 440QE is a premium computerized sewing machine featuring BERNINA Stitch Regulator (BSR), 440 built-in stitches, automatic thread cutter, dual feed system, large sewing space, LED lighting, programmable needle stop position, speed control slider, and advanced embroidery capabilities. 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 and Settings 7. BERNINA Stitch Regulator (BSR) 8. Maintenance and Cleaning 9. Accessories and Attachments 10. Warranty Information 11. Troubleshooting Guide

Features at a Glance

Key components: Computerized control panel, BSR sensor, automatic thread cutter, dual feed system, LED work area lighting, embroidery unit connector, and large extension table.

FeatureDescription
BSR TechnologyBernina Stitch Regulator for perfect free-motion stitching
Built-in Stitches440 stitches including utility, decorative, and quilting
Automatic Thread CutterOne-touch thread cutting at needle and bobbin
Dual Feed SystemEven fabric feeding for all fabric types
LED LightingBright illumination of sewing area
Embroidery CapabilityOptional embroidery module for design work
Speed Control SliderAdjustable sewing speed from 200-1000 stitches/min
Needle Stop PositionProgrammable up or down needle stop
Memory FunctionStore favorite stitch combinations
Large Sewing Space8.5" sewing space to right of needle

Unpacking and Setup

Carefully unpack all components and place machine on stable surface.

  1. Remove packaging materials and protective covers from machine.
  2. Attach extension table to increase work surface area.
  3. Connect foot control pedal to machine port.
  4. Plug power cord into machine and electrical outlet.
  5. Install needle following directional guidelines.
  6. Wind and insert bobbin according to threading diagram.

WARNING! Machine is heavy; use proper lifting technique. Ensure stable work surface to prevent tipping.

First-Time Operation

Power on machine; follow initial setup procedure.

  1. Thread machine: Follow numbered threading path from spool to needle.
  2. Insert bobbin: Place bobbin in case with thread pulling counterclockwise.
  3. Select basic stitch: Choose straight stitch for initial testing.
  4. Test sew: Use scrap fabric to verify proper threading and tension.
  5. Adjust settings: Modify stitch length, width, and tension as needed.
  6. Explore functions: Practice with different stitches and features.

CAUTION! Always turn off power when changing needles or performing maintenance.

Technical Specifications

Controls and Functions

Access functions via touch screen display and control buttons. Front Panel: Power switch, stitch selection buttons, memory functions, settings menu.

Control Panel: Stitch selection, stitch length/width adjustment, mirror image, needle position, thread tension, automatic thread cutter, speed control slider.

Stitch Settings: Length (0-5mm), Width (0-9mm), tension (0-9), mirror imaging, memory storage. System Settings: Needle stop position, beep sounds, measurement units, language selection. BSR Settings: Stitch length adjustment, activation/deactivation.

Stitch Selection and Settings

Access 440 stitches through category selection and number input.

  1. Select stitch category: Utility, decorative, buttonhole, or alphabets.
  2. Choose specific stitch: Use number pad or navigation arrows.
  3. Adjust parameters: Modify length, width, and tension as needed.
  4. Save combinations: Store frequently used settings in memory.
  5. Buttonhole automatic: One-step automatic buttonholes with sensor.
  6. Alphabet stitching: Select from multiple font styles and sizes.

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

BERNINA Stitch Regulator (BSR)

The BSR ensures consistent stitch length during free-motion work.

  1. Attach BSR foot: Snap onto ankle holder.
  2. Activate BSR: Press BSR button on control panel.
  3. 3. Set stitch length: Use adjustment dial (1.0-4.0mm).
  4. Begin sewing: Machine automatically regulates stitch length.
  5. Speed control: Sew at any speed while maintaining even stitches.
  6. Deactivate: Press BSR button to return to normal sewing.

WARNING! Only use BSR with compatible feet. Do not force fabric movement.

Maintenance and Cleaning

Regular maintenance ensures optimal performance and longevity.

  1. Daily: Brush out lint from bobbin area and feed dogs.
  2. Weekly: Oil hook race and moving parts with Bernina oil.
  3. Monthly: Clean tension disks with unwaxed dental floss.
  4. As needed: Replace needle after 8-10 hours of sewing.
  5. Annual: Professional servicing recommended.

CAUTION! Always unplug machine before cleaning or maintenance.

Accessories and Attachments

Standard accessories: Various presser feet, bobbins, needles, seam ripper, brush, screwdrivers, auxiliary spool pin, extension table.

Optional: Embroidery module, additional specialty feet, carrying case, additional bobbins and needles.

Warranty Information

BERNINA provides 20-year warranty on mechanical parts, 10 years on electronic components, and 5 years on labor. Warranty registration required within 30 days of purchase. For service, contact authorized BERNINA dealers or visit www.bernina.com. Customer support: 1-866-367-8045.

Troubleshooting Guide

SymptomPossible CauseCorrective Action
Machine won't startPower connectionCheck power cord connection; ensure foot control is plugged in properly.
Thread breakingTension/needle issuesRe-thread machine; check needle for damage; adjust tension settings.
Uneven stitchesThreading/bobbinRe-thread upper and lower threading; check bobbin insertion.
Fabric not feedingFeed dogs loweredRaise feed dogs; check for lint buildup under throat plate.
Needle hitting plateNeedle bent/burredReplace needle; ensure correct needle type and installation.
Error messagesSystem errorsTurn machine off and on; consult error code in manual.

Reset: Turn machine off for 30 seconds to reset computer system.

Service: Contact authorized BERNINA dealer for technical support.

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