Bernette 715 Sewing Machine Manual

The Bernette 715 is a versatile electronic sewing machine featuring 23 built-in stitches, one-step buttonhole, automatic needle threader, drop-in bobbin system, adjustable stitch length and width, free arm capability, built-in LED light, and multiple presser feet. Powered by standard household electrical outlet. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation & Setup 3. First-Time Operation 4. Specifications 5. Controls and Settings 6. Stitch Selection 7. Threading & Bobbin 8. Maintenance & Care 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: Electronic stitch selection panel, automatic needle threader, drop-in bobbin system, free arm, built-in LED light, accessory compartment.

Feature	Description
Stitch selection dial	For selecting from 23 built-in stitches
Automatic needle threader	Easy threading with push-pull mechanism
Drop-in bobbin system	Top-loading bobbin with clear cover
Free arm capability	For sewing sleeves and circular items
Built-in LED light	Illuminates sewing area
Stitch length dial	Adjustable from 0-4 mm
Stitch width dial	Adjustable from 0-5 mm
Reverse stitch button	For reinforcing stitches
One-step buttonhole	Automatic buttonhole creation
Power switch	Turns machine on/off

Installation & Setup

Unpack and inspect all components. Place on stable, flat surface.

Remove packaging materials and protective covers.
Attach foot controller to machine and power cord to outlet.
Install needle: Loosen needle clamp screw, insert needle with flat side to back.
Wind bobbin: Place empty bobbin on winder, thread through tension disc.
Insert bobbin: Drop bobbin into case with thread running counterclockwise.

WARNING! Keep fingers away from needle area during operation. Always unplug when not in use.

First-Time Operation

Power on machine; follow setup procedure.

Thread upper thread: Follow numbered threading path on machine.
Use automatic needle threader: Push lever down and pull thread through.
Pull up bobbin thread: Hold upper thread, turn handwheel toward you.
Select stitch: Turn dial to desired stitch pattern.
Test sew on scrap fabric to ensure proper tension.

CAUTION! Always start with needle in highest position. Use proper presser foot for selected stitch.

Specifications

Stitches: 23 built-in stitches including utility, decorative, and stretch
Buttonhole: One-step automatic buttonhole
Stitch Length: Adjustable 0-4 mm
Stitch Width: Adjustable 0-5 mm
Needle System: HAx1 standard domestic needles
Bobbin: Class 15 transparent bobbin
Max Sewing Speed: 800 stitches per minute
Power Supply: Standard household electrical outlet
Weight: 6.6 kg (14.5 lbs)
Dimensions: 33 x 16 x 27 cm

Controls and Settings

Main controls located on front panel: Stitch selection dial, stitch length dial, stitch width dial, reverse stitch button.

Stitch Selection: Turn dial to select from 23 stitches (1-6: utility, 7-15: decorative, 16-23: stretch).

Stitch Length: 0-4 mm (0 for darning, 1-2 for fine fabrics, 3-4 for heavy fabrics).

Stitch Width: 0-5 mm (0 for straight stitch, 2-5 for zigzag and decorative stitches).

Reverse Stitch: Press and hold to reinforce beginning and end of seams.

Stitch Selection

Available stitches include straight, zigzag, blind hem, stretch, and decorative patterns.

Straight Stitch (1-3): For basic sewing and seams
Zigzag Stitch (4): For finishing edges and stretch fabrics
Blind Hem (5): For nearly invisible hems
Stretch Stitches (16-23): For knit and stretch fabrics
Decorative Stitches (7-15): For embellishments
Buttonhole (6): Automatic one-step buttonhole

Tip: Always test stitch on scrap fabric before sewing your project.

Threading & Bobbin

Proper threading ensures smooth operation and quality stitches.

Upper Threading: Follow numbered path from spool pin to needle.
Automatic Needle Threader: Push lever down, hook thread, pull through needle eye.
Bobbin Winding: Place spool on pin, thread through tension disc, wind bobbin.
Bobbin Insertion: Drop bobbin into case with thread running counterclockwise.
Pull Up Bobbin Thread: Hold upper thread, turn handwheel toward you.

WARNING! Ensure machine is off when threading. Always use same thread type in bobbin and needle.

Maintenance & Care

Regular maintenance ensures optimal performance and longevity.

Clean lint from bobbin area after each project.
Oil moving parts every 3-6 months with sewing machine oil.
Replace needle after 8-10 hours of sewing or if damaged.
Cover machine when not in use to prevent dust accumulation.
Have professional service annually for heavy use.

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

Safety Information

Always follow safety guidelines to prevent injury and damage.

Keep fingers away from moving needle
Unplug machine when not in use or during maintenance
Do not pull fabric while sewing - let feed dogs move fabric
Use proper needle and thread for fabric type
Keep work area well-lit and free of obstructions
Do not use damaged electrical cords

Troubleshooting

Symptom	Possible Cause	Corrective Action
Thread breaking	Incorrect threading/tension	Rethread completely; adjust tension; check for burrs on needle.
Needle breaking	Wrong needle/bent needle	Replace needle; ensure correct size for fabric; don't pull fabric.
Uneven stitches	Incorrect tension/threading	Check threading; clean bobbin area; adjust tension settings.
Machine not feeding	Feed dogs lowered/dirty	Raise feed dogs; clean feed dog area; check presser foot pressure.
Machine won't start	Power issues/foot controller	Check power cord; ensure foot controller is plugged in properly.
Bobbin thread bunching	Incorrect bobbin insertion	Remove and reinsert bobbin; ensure thread runs counterclockwise.

Service: Contact authorized Bernette service center for repairs.

Support: Visit www.bernette.com or contact customer service.