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SunStar SWF/C-UK1506 - User Manual

SunStar SWF/C-UK1506
154 pages
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USER
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S MANUAL
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TWO-HEAD AUTOMATIC
EMBROIDERY MACHINE
FOUR-HEAD AUTOMATIC
EMBROIDERY MACHINE
SIX-HEAD AUTOMATIC
EMBROIDERY MACHINE
EIGHT-HEAD AUTOMATIC
EMBROIDERY MACHINE
SIX-HEAD AUTOMATIC
EMBROIDERY MACHINE
(Compact Type)
SWF/C-Series

Table of Contents

Questions and Answers

  • L
    Lisa CampbellAug 18, 2025
    What to do if SunStar SWF/C-UK1506 Sewing Machine thread breaks before trimming?
    • M
      Matthew DennisAug 18, 2025
      If the thread breaks before trimming on your SunStar Sewing Machine, it could be because the upper thread is too short; check the main and sub tension adjuster for dents or damage to the movable blade. It could also be that the lower thread is too short, doesn’t unwind smoothly, or is too weak or elastic. Try adjusting the upper thread tension, removing any dents using a whetstone or sandpaper or changing the movable blade. Adjust or change the bobbin case spring, clean/check for dents in the thread guide on the bobbin case, or change the lower thread.
  • L
    Luis GrahamAug 20, 2025
    Why does my SunStar SWF/C-UK1506 Sewing Machine thread break?
    • J
      Johnny StewartAug 20, 2025
      Thread breaks can occur in your SunStar Sewing Machine for several reasons. The stitch might be too small or dense, or the thread may be breaking frequently in the same spot. Other causes include using an inadequate needle size for the thread, needle damage (bent, dented, or worn), incorrect needle installation (height, direction, etc.), or a dirty needle (adhesive, etc.). To resolve this, try re-punching the design tape, correcting the stitches, changing the needle, re-installing the needle correctly, or cleaning the needle and hook.
  • S
    Stephen BestAug 23, 2025
    What causes short upper thread after trimming on SunStar SWF/C-UK1506 Sewing Machine?
    • J
      Jessica BarnesAug 23, 2025
      A short upper thread after trimming on your SunStar Sewing Machine, due to separation failure, can occur if the movable blade is too fast or too slow to separate the upper thread, the picker is in an incorrect position, or there is a picker failure. To fix this, adjust the insert angle of the movable blade to 295 degrees, adjust the picker position, and check and change the fuse F1, F3. Also, check/change the solenoid and its connection, and check the connection and change the joint board.
  • D
    Dr. Michael TurnerAug 26, 2025
    What to do if my SunStar SWF/C-UK1506 is not trimming?
    • J
      Jessica WrightAug 26, 2025
      If your SunStar Sewing Machine is experiencing trimming failure, it could be due to a short-circuit of the trimming fuse, a poor connection or quality of the trimming solenoid, a bad connection, or a damaged trimming driver TR. You should check and change the fuse F1 in the joint board, check and change the solenoid and its connection, and change the joint board.
  • K
    kimberlybraunAug 28, 2025
    What to do if my SunStar SWF/C-UK1506 Sewing Machine has poor stitch tension?
    • T
      Tracy Edwards MDAug 28, 2025
      Poor stitch tension in your SunStar Sewing Machine can result from several factors. These include weak upper thread tension, uneven upper thread tension due to foreign substances, weak lower thread tension, uneven lower thread tension, thread thickness, poor timing of the needle and hook, or insufficient oil in the hook. You can address this by adjusting the tension, cleaning the main and sub tension adjusters, cleaning the bobbin case and checking the bobbin spring tension, changing to a quality thread, adjusting the timing, or oiling the raceway of the hook.
  • J
    Jessica SalasAug 30, 2025
    What to do if my SunStar SWF/C-UK1506 needle breaks?
    • C
      Chelsea McknightAug 31, 2025
      Needle breakage in your SunStar Sewing Machine can be attributed to several reasons: a bent needle, a bad quality needle, a worn or bent needle tip, the needle touching the hook point, incorrect needle installation, or the needle touching the needle hole on the plate. To fix this, try changing the needle, spacing the needle and the hook point, correcting the installation, checking if the needle plate is unscrewed, or adjusting the position of the needle bar.
  • E
    Eric JordanSep 2, 2025
    How to fix operation failure of SunStar Sewing Machine?
    • S
      Scott RojasSep 2, 2025
      Operation failure in your SunStar Sewing Machine can stem from loose belt tension or belt damage, power failure or short-circuit of the fuse, or failure to sense signals for needle position or 1 rotation. To resolve this, adjust the belt tension or change the belt. Check the fuse in the main shaft motor and replace it if necessary. Run a manual color change and check if the signal lamps blink correctly. Adjust the half-turn film. Address the cause and press RESET. Check the START switch connection.
  • M
    Mr. Jeremiah TaylorSep 4, 2025
    What to do if my SunStar SWF/C-UK1506 has a bad jump?
    • M
      Michael WhiteSep 4, 2025
      A bad jump in your SunStar Sewing Machine might be caused by a short-circuit of the fuse for the jump circuit, a bad solenoid and bad solenoid wiring, a bad connection, or a switch failure on the tension adjusting board and a bad circuit board. To solve this, change the front fuse F3 in the joint board, check the wiring and change the solenoid, check the connection, and change the switch and circuit board.
  • M
    macdonaldfrankSep 7, 2025
    Why is my SunStar SWF/C-UK1506 puckering?
    • V
      Vanessa DelgadoSep 7, 2025
      Puckering in your SunStar Sewing Machine may be due to excessive thread tension, excessive pressure of the presser foot, needle failure (worn out or damaged needle tip), the needle being too large for the thread, or the needle hole being too large for the needle. Try adjusting the tension, changing the presser foot spring, changing the needle, or using an adequate size of needle.
  • S
    scottgrantSep 9, 2025
    What causes incorrect stop position on SunStar SWF/C-UK1506?
    • D
      dhoustonSep 9, 2025
      Incorrect stop position on your SunStar Sewing Machine can be caused by loose tension on the main driver belt or an incorrect position of the encoder or a bad encoder. To solve this, adjust the belt tension or adjust the encoder position or change the encoder.

Summary

CHAPTER 1 SAFETY RULES

1-1) DELIVERY OF YOUR MACHINE

Instructions for safe delivery of the embroidery machine.

1-2) INSTALLATION

Guidelines for proper installation environment and conditions.

1-3) MACHINE OPERATION

Essential safety precautions for operating the embroidery machine.

1-4) REPAIR

Guidelines for authorized repair procedures and safety measures.

CHAPTER 4 FUNCTIONS AND FEATURES

AUTOMATIC DETECTION OF UPPER AND LOWER THREAD BREAKS

Automatic detection systems for upper and lower thread breaks to prevent damage.

CHAPTER 5 FUNCTIONS FOR BASIC MACHINE OPERATION

5-1) NAMES AND FUNCTIONS OF PARTS IN OPERATION BOX

Details the names and functions of all controls on the operation box.

5-2) EMERGENCY POWER AND START;STOP BUTTONS

Explains the operation and function of emergency and start/stop buttons.

5-3) EMERGENCY STOP

Describes how to use the emergency stop button to halt the machine immediately.

5-7) UPPER THREADING AND TENSION ADJUSTMENT

Step-by-step guide for upper threading and adjusting thread tension.

5-8) LOWER (BOBBIN) THREADING AND TENSION ADJUSTMENT

Instructions for bobbin threading and adjusting lower thread tension.

5-13) NEEDLE- HOOK TIMING CONTROL

Covers needle selection, thread relationship, and hook timing adjustments.

CHAPTER 6 BASIC MACHINE OPERATION

CHAPTER 7 NAVIGATING THE CONTROL PANEL

7-1) INSTALLING THE OPERATING SYSTEM

Guide for installing or upgrading the machine's operating system.

7-2) MAIN INDICATION SCREEN

Explains the different display screens and information shown on the control panel.

7-3) THE FUNCTION MENU

Overview of the machine's function menu structure and navigation.

7-4) USE OF FUNCTION MENU

Detailed instructions on how to use various functions within the machine's menu system.

CHAPTER 8 ERROR MESSAGES AND CORRECTION

8-1) MAIN SHAFT MOTOR

Lists error messages related to the main shaft motor and their corrections.

8-2) PULSE MOTORS ON X AND Y AXIS

Addresses errors concerning the X and Y axis pulse motors and their solutions.

CHAPTER 9 THE CONTROL BOX

9-1) CHANGING FUSE IN JOINT BOARD OF M;C WITH LESS THAN 12 HEADS

Procedure for changing fuses in the control box for machines with fewer than 12 heads.

9-2) CHANGING FUSE IN M;C WITH MORE THAN 12 HEADS

CHAPTER 10 MAINTENANCE AND INSPECTION

10-1) CHECK POINTS FOR REGULAR INSPECTION

Key points to check during regular machine inspections to prevent failures.

10-2) CLEANING

10-3) OIL SUPPLY

CHAPTER 11 MACHINE ADJUSTMENTS

11-1) ADJUSTING THE TRIMMERS

Details on adjusting the position and angle of the trimming cam and blades.

11-2) ADJUSTING THE TRIMMER RETURN SPRING

11-3) ADJUSTING UPPER THREAD HOLDING UNIT

11-4) PICKER ADJUSTMENT

11-8) CORRECT POSITION OF NEEDLE

CHAPTER 12 TROUBLESHOOTING

Operation failure

Common operational failures, their causes, inspections, and repairs.

Incorrect Stop Position

Troubleshooting for issues causing the machine to stop in incorrect positions.

Bad Color Change

Causes and corrections for errors related to the color change function.

Poor detection of upper thread

Bad jump

Bad stitch quality

Causes and remedies for poor embroidery stitch quality.

Thread breaks

Common causes and solutions for thread breakage during operation.

Skipped Stitches

Causes and corrections for skipped stitches during embroidery.

Poor stitch tension

Issues related to poor stitch tension and how to adjust it.

Needle breaks

Causes and solutions for needle breakage during operation.

Puckering

Causes and remedies for fabric puckering during embroidery.

Trimming failure

Troubleshooting for failures in the automatic thread trimming function.

Trimmer return failure

Short upper thread after trimming due to separation failure

Thread break before trimming

Causes and solutions for thread breaks occurring before the trimming process.

Short upper thread after trimming

Thread is not cut (at specific head)

Failure of upper thread holder solenoid

SunStar SWF/C-UK1506 Specifications

General IconGeneral
Heads1
Needle ThreaderYes
LCD ScreenYes
TypeEmbroidery
Buttonhole StylesNo

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