Janome 4800 manual Troubleshooting

Page 67

Troubleshooting

Condition

 

Cause

Reference

 

 

 

The needle thread

1. The needle thread is not threaded properly.

Page 19

breaks.

2. The needle thread tension is too tight.

Page 22

 

3.

The needle is bent or blunt.

Page 14

 

4.

The needle is incorrectly inserted.

Page 14

 

5.

The needle thread and the bobbin thread are not drawn to the

 

 

 

rear when sewing is started.

Page 21

 

6.

The fabric is not drawn to the rear when sewing is finished.

Page 23

 

7.

The thread is too heavy or too fine for the needle.

Page 15

 

 

 

The bobbin thread

1. The bobbin thread is not threaded properly in the bobbin holder.

Page 18

breaks.

2. Lint has collected in the bobbin holder.

Page 64

 

3.

The bobbin is damaged and doesnÕt turn smoothly.

Change the bobbin

 

 

 

The needle

1. The needle is incorrectly inserted.

Page 14

breaks.

2. The needle is bent or blunt.

Page 14

 

3.

The needle clamp screw is loose.

Page 14

 

4.

The needle thread tension is too tight.

Page 22

 

5.

The fabric is not drawn to the rear when sewing is finished.

Page 23

 

6.

The needle is too fine for the fabric being sewn.

Page 15

 

 

 

Screen is not

1. The sharpness of the liquid crystal display is not adjusted prop-

Page 4

clear.

 

erly.

 

 

 

 

 

Skipped stitches

1. The needle is incorrectly inserted.

Page 14

Page 14

 

2.

The needle is bent or blunt.

 

Page 15

 

3.

The needle and/or threads are not suitable for the work being

 

 

 

 

sewn.

Page 15

 

4.

A blue tipped needle is not being used for sewing stretch, very

 

Page 19

 

 

finefabrics or synthetics.

 

 

Page 13

 

5.

The needle thread is not threaded properly.

 

Change the needle

 

6.

The presser foot pressure is not strong enough.

 

Page 22

 

7.

The wrong needle is being used.

 

 

 

 

 

Seam puckering

1. The needle thread tension is too tight.

Page 19

 

2.

The needle thread is not threaded properly.

Page 15

 

3.

The needle is too heavy for the fabric being sewn.

Make stitch denser

 

4.

The stitch length is too long for the fabric.

Page 13

 

5.

The presser foot pressure is not correctly adjusted.

 

 

 

 

 

The cloth is not

1. The feed dog is packed with lint.

Page 64

Page 13

feeding smoothly.

2. The presser foot pressure is too weak.

Make stitch coaser

 

3.

The stitches are too fine.

 

Page 13

 

4.

Feed dogs are lowered.

 

Page 13

 

5.

The correct presser foot is not being used.

 

 

 

 

 

 

66

Image 67
Contents Instruction Book Table of Contents Section V Care of Your Machine Names of Parts 3 22426 Extension Table Screen Sharpness Adjusting DialStandard Accessories For Your Safety Connecting Machine to Power SupplyControlling Sewing Speed Reverse button 6 7 8 9 10 11 Main Function of Buttons / KeysUp/down needle position button Auto-lock buttonStitch width selection key Mode selection keyTwin needle key Editing keyStock/call key Message keyTurn-over memory key Elongation keyMemory key Clear keyDirect pattern selection and number keys Pattern selection and screen indication 3 4Number key selection Buzzer Memory Mode/Buzzer Sound/Multiple Language SettingsNormal / Resumption Mode Language selection settingPressure Dial To Raise or Drop the Feed DogsPresser Foot Lifter To Attach and Remove the Presser Foot Changing NeedlesTo Remove and Attach the Foot Holder Selecting Needle and Thread Light WeightSet the spool Winding the BobbinRemoving the bobbin Winding the bobbin Inserting the bobbin Threading the machine Threading the MachineNeedle threader Drawing up the bobbin thread Balanced Thread Tension Manual thread tension adjustmentAuto-thread tension Finishing sewing Straight Stitch SewingStarting to sew Changing sewing directionTurning Square Corners Using the Quilting BarUsing the Seam Guides on the Needle Plate Practice Common Stitching SkillsManual stitch length 123Variable needle position Basting Various Utility StitchesAuto-lock stitch Straight stitchAutomatic reverse stitch Triple stretch stitchSaddle stitch Stretch stitchSculpture stitch Interfacing Zigzag StitchTo change the width and length Overcasting Variation of Zigzag StitchesTricot stitch Overedge sewing Knit stitchOveredge Sewing Section IV Decorative Stitching TechniquesSewing Buttons Automatic buttonholing Sensor ButtonholeSewing preparation Starting sewing 1315 Adjusting Stitch Width and Density in Buttonholes678 910 Adjusting the stitch width and density in buttonholes 09Sensor buttonhole 09 Corded Buttonholes 3 a Free Size Automatic Buttonhole Fabric preparation Zipper SewingPut in a zipper Attaching the zipper footZipper Sewing, cont’d To memorize darning stitches Adjusting the shape of darning stitches1232 Darning For darning less than 2 cmBartacking Adjusting the evenness of bartacking stitchesMemorizing bartacking Rolled Hem Changing the needle position How to fold the fabricHow to sew Blind Stitch HemmingQuilting PintuckingApplique Shell TackFagoting SmockingScallop Stitch B Scallop Stitch aSatin Stitch Sewing PatchworkDecorative Stitch Cross StitchCording Twin Needle Stitching Adjusting the stitch density for buttonhole ABC Adjusting Pattern BalanceAdjusting distorted stretch stitch patterns Adjusting distorted letters or numbers in B or C ModeProgramming Decorative Stitch Patterns 61 Restarting Programmed Patterns Cycle Stitching with Mirror Image PatternsSewing sample, stitch pattern ElongationSewing Letters in Block Style Combining Letters in Script Style Check and correct pattern combination before sewing Editing FunctionDeleting a stitch pattern, letter or number by editing Adding letters or space between letters Custom stitch sizing Uniform width, length adjustmentCare of Your Machine Cleaning the Hook Race and Feed DogsReplacing the Bobbin Holder Removing the light bulb Replacing the Light BulbAttaching the light bulb Troubleshooting When message appears on the screen Troubleshooting, cont’d

4800 specifications

The Janome 4800 is a versatile and innovative sewing machine designed for both novice and experienced sewists. Combining advanced technologies with user-friendly features, the Janome 4800 stands out as a reliable and efficient sewing companion.

One of the standout features of the Janome 4800 is its array of built-in stitches. With over 80 stitch options, ranging from basic utility stitches to decorative and quilting stitches, this machine caters to a wide variety of sewing projects. Users can easily select their desired stitch through a straightforward interface, ensuring that transitioning between different sewing tasks is smooth and hassle-free.

In addition to the extensive stitch library, the Janome 4800 boasts a powerful and efficient motor. This allows for consistent performance and the ability to sew through multiple layers of fabric, making it ideal for crafting quilts, garments, and home decor items. The machine also features adjustable stitch lengths and widths, offering customization for different sewing techniques and preferences.

One of the standout technologies incorporated in the Janome 4800 is the Automatic Needle Threader, which simplifies the threading process, reducing eye strain and time spent preparing the machine for use. This feature is particularly beneficial for those who may struggle with traditional needle threading methods. The easy-to-read LCD screen provides clear information on stitch selection and settings, making the process intuitive and user-friendly for all skill levels.

Furthermore, the Janome 4800 comes equipped with a Drop Feed feature, which allows for free-motion sewing and quilting. This feature gives sewists the flexibility to create intricate designs and patterns without restriction. The included presser feet, such as a walking foot and a darning foot, enhance the machine's versatility, making it suitable for a wide range of sewing techniques.

Durability is another characteristic that defines the Janome 4800. Constructed with high-quality materials, this machine is built to withstand frequent use, making it a worthwhile investment for avid sewists.

In summary, the Janome 4800 combines advanced technology, a variety of stitch options, and user-friendly features, making it a top choice for anyone looking to elevate their sewing experience. Whether you’re creating intricate quilts or simple home sewing projects, the Janome 4800 offers the tools and performance to bring your creative visions to life.