Bernette b79 - User Manual

Other manuals for Bernette b79

Quick Start Guide20 pages

Questions and Answers

W
Walter WolfSep 2, 2025
What causes the lower thread to break on my Bernette b79?
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  leedavidSep 2, 2025
  Lower thread breakage on your Bernette Sewing Machine can be attributed to a few reasons. Make sure the bobbin is inserted correctly by removing and reinserting it, then pull on the thread to ensure it runs easily. Also, verify that the bobbin is threaded correctly. If the stitch hole in the stitch plate is damaged, contact a specialized bernette dealer to have the damages repaired. A needle that is blunt or bent can also cause this issue, so replace the needle.
K
Kelly MooreAug 31, 2025
Why does the needle break on my Bernette b79 Sewing Machine?
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  jasonbentonAug 31, 2025
  Needle breakage on your Bernette Sewing Machine can occur if the needle is incorrectly inserted. Make sure to insert the needle with the flat side to the back, pushing it as far up as it will go into the needle holder, and then tighten the screw. If the fabric has been pulled, ensure you feed it evenly. Pushing thick fabric can also cause the needle to break; in this case, use the appropriate presser foot, such as Jeans foot No. 8 for thick material. Finally, knotted thread can lead to breakage, so use quality thread.
L
Laura CoxAug 29, 2025
How to fix uneven stitch formation on Bernette b79?
- P
  paulahurleyAug 29, 2025
  To fix uneven stitch formation on your Bernette Sewing Machine: - Adjust the upper thread tension. - Replace the needle with a new BERNINA quality needle. - Use quality thread and match the needle to the thread size. - Rethread the machine. - Clean the hook to remove any dust or thread remnants.
R
Richard JohnsonAug 27, 2025
What to do if Bernette b79 stitches are uneven?
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  Willie YoungAug 28, 2025
  If your Bernette Sewing Machine is producing uneven stitches, the first thing to check is the upper thread tension; adjust it as needed. Then, replace the needle with a new BERNINA quality needle if the current one is blunt or bent. Ensure you are using quality thread and that the needle is appropriate for the thread size. Also, incorrect threading can cause this issue, so rethread the machine. Lastly, clean the hook to remove any dust or thread remnants under the tension spring of the bobbin case.
D
Donald LawrenceAug 26, 2025
What causes faulty stitching on a Bernette Sewing Machine?
- A
  Ann HaysAug 26, 2025
  Faulty stitching on your Bernette Sewing Machine can arise from a few issues. Thread remnants might be lodged between the thread tension discs; to resolve this, fold a piece of thin material and slide the folded edge (not the raw edges) between the thread tension discs. Ensure the machine is correctly threaded by rethreading it. Also, check if the thread is caught in the hook; if so, remove the upper thread and the bobbin case, turn the handwheel backwards and forwards by hand, and remove any thread remnants. Finally, verify that you are using the correct needle/thread combination.
A
ashley05Aug 25, 2025
Why does the upper thread keep breaking on my Bernette Sewing Machine?
- H
  harrisanthonyAug 25, 2025
  The upper thread may break on your Bernette Sewing Machine for a few reasons. You might be using an incorrect needle/thread combination; make sure to match the needle with the thread size. If the upper thread is too tight, reduce the upper thread tension. Also, incorrect threading or poor-quality thread can cause the thread to break, so rethread the machine and use quality thread. If the stitch plate or the hook tip is damaged, contact a specialized bernette dealer to have the damages repaired.
T
taylorjuanAug 22, 2025
Why does my Bernette b79 Sewing Machine have uneven stitches?
- T
  Travis LangAug 22, 2025
  Uneven stitch formation on your Bernette Sewing Machine can occur due to several reasons. The upper thread might be too tight or too loose, so try adjusting the upper thread tension. The needle could be blunt or bent, in which case you should replace it with a new BERNINA quality needle. It may also be caused by a poor-quality needle or thread, so ensure you're using quality materials. An incorrect needle/thread combination or incorrect threading could also be the cause, so match the needle to the thread size and rethread the machine. If the fabric has been pulled, make sure to feed it evenly.

Summary

Introduction and Safety

Important Safety Instructions

Basic safety instructions for operating the sewing machine, including electrical shock and burn hazards.

General Warnings

Warnings regarding burns, fire, electric shock, and proper use by children or individuals with reduced capabilities.

Getting Started with Your Bernette Machine

My bernette Overview

Machine Components Overview

Detailed identification of front controls, including quick reverse, thread cutter, and multifunctional knobs.

Operation Buttons Explained

Explanation of the function and purpose of each operation button on the sewing machine.

Front View of the Machine

Machine Accessories and Interface

User Interface: System Settings

Needle, Thread, and Fabric Guidance

Information on selecting the correct needle for different fabrics and thread types for optimal results.

Sewing Preparation and Setup

Connecting and Switching On

Steps for connecting the power cable, foot control, and switching on the machine.

Using the Foot Control

Presser Foot Adjustments

Details on adjusting presser foot position with the knee lifter and changing presser foot soles.

Needle and Stitch Plate Management

Procedures for changing the needle, selecting it in the UI, and managing stitch plates.

Threading Procedures

Step-by-step guide for threading the upper thread, double needle, and bobbin thread.

Setup Program and Machine Settings

Sewing Settings Configuration

Adjusting thread tension, sewing speed, and programming securing stitches and buttons.

Embroidery Settings Configuration

Adjusting upper thread tension, embroidering speed, and calibrating the embroidery hoop.

Creative Sewing and Stitch Design

Dual Feed (DF) Operation

Editing Stitch Patterns

Modifying stitch width, length, balance, and creating pattern repeats or mirror images.

Practical Stitches Guide

Basic Stitching Techniques

Zipper and Hemming Techniques

Darning and Edge Finishing

Guidance on manual darning, automatic darning programs, and finishing fabric edges.

Buttonholes and Eyelets

Overview of Buttonhole Types

Marking and Sewing Buttonholes

Steps for marking buttonholes on fabric and automatically sewing them with the correct foot.

Reinforcing and Sewing Buttons

Sewing Eyelets

Quilting and Stitch Design

Guiding Quilt Work Freely

Stitch Designer Overview

Creating and Editing Stitch Patterns

Steps for creating new stitch patterns, editing existing ones, and manipulating points.

Bernette Embroidery Module

Embroidery Module Overview

User Interface for Embroidery

Important Embroidery Information

Embroidery Preparation Steps

Instructions for attaching the embroidery module, embroidery foot, and needle/stitch plate.

Embroidery Hoop Handling

Creative Embroidery Functions

Administering Embroidery Motifs

Embroidery Operations

Embroidery Start;Stop Function

How to start and stop the embroidery process using the Start/Stop button and change threads.

Adjusting Upper Thread Tension

BERNINA CutWork Tool

Changing the CutWork Tool

Procedure for changing the CutWork Tool, including prerequisite steps and safety precautions.

Starting the Cutting Process

Machine Maintenance and Troubleshooting

Cleaning Machine Components

Troubleshooting Common Failures

Guide to diagnosing and repairing common issues like uneven stitches, skipped stitches, and thread breaks.

Error Messages and Solutions

Explanation of error messages displayed on the machine and their corresponding repair actions.

Bernette b79 Specifications

General

Sewing and Embroidery Functions	Yes
Embroidery Designs	208
Maximum Sewing Speed	1000 stitches per minute
Maximum Embroidery Speed	850 stitches per minute
Screen	5-inch color touchscreen
Automatic Thread Cutter	Yes
USB Port	Yes
Dual Feed	Yes
Type	Computerized Sewing and Embroidery Machine
Stitch Width	7 mm
Memory	Yes
Lighting	LED
Stitch Length	5 mm
Needle Positions	15
Speed Control	Yes
Maximum Embroidery Area	260 x 160 mm
Presser Feet	8 included