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SunStar SWF/C-UK1504 - User Manual

SunStar SWF/C-UK1504
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

  • H
    Hector KnappAug 18, 2025
    What to do if SunStar Sewing Machine thread breaks before trimming?
    • M
      Michael TerryAug 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.
  • T
    twalkerAug 20, 2025
    Why does my SunStar Sewing Machine thread break?
    • G
      Gwendolyn CarsonAug 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.
  • T
    Tiffany JacksonAug 22, 2025
    What causes short upper thread after trimming on SunStar SWF/C-UK1504 Sewing Machine?
    • D
      Diana SmithAug 22, 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
    David BaileyAug 25, 2025
    What to do if my SunStar SWF/C-UK1504 Sewing Machine is not trimming?
    • T
      Trevor CruzAug 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.
  • J
    Jeremy YoungAug 28, 2025
    What to do if my SunStar Sewing Machine has poor stitch tension?
    • S
      Sarah WallaceAug 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
    Joshua CruzAug 30, 2025
    What to do if my SunStar SWF/C-UK1504 needle breaks?
    • C
      Charles SalinasAug 30, 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.
  • S
    Stephen SavageSep 1, 2025
    How to fix operation failure of SunStar SWF/C-UK1504?
    • J
      Joshua RileySep 1, 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.
  • K
    Karen JonesSep 4, 2025
    What to do if my SunStar SWF/C-UK1504 Sewing Machine has a bad jump?
    • C
      Crystal SmithSep 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.
  • J
    Jason BrownSep 6, 2025
    Why is my SunStar Sewing Machine puckering?
    • C
      Carlos BrooksSep 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.
  • J
    Jason CardenasSep 9, 2025
    What causes incorrect stop position on SunStar Sewing Machine?
    • M
      Melissa DixonSep 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

DELIVERY OF YOUR MACHINE

Instructions for safely delivering the embroidery machine.

INSTALLATION

Guidelines for installing the embroidery machine.

MACHINE OPERATION

Safe operating procedures for the embroidery machine.

REPAIR

Guidelines for repairing the embroidery machine.

CHAPTER 2 INSTALLATION AND MACHINE ASSEMBLY

ELECTRICITY INSTALLATION

Details electrical requirements for machine installation.

LEVELING THE MACHINE

Instructions on how to level the embroidery machine accurately.

CHAPTER 5 FUNCTIONS FOR BASIC MACHINE OPERATION

NAMES AND FUNCTIONS OF PARTS IN OPERATION BOX

Details the names and functions of operation box parts.

EMERGENCY POWER AND START;STOP BUTTONS

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

EMERGENCY STOP

Instructions on how to use the emergency stop function.

UPPER THREADING AND TENSION ADJUSTMENT

Guides on upper threading and tension adjustment.

LOWER (BOBBIN) THREADING AND TENSION ADJUSTMENT

Instructions for lower threading and tension adjustment.

NEEDLE- HOOK TIMING CONTROL

Instructions for controlling needle-hook timing.

CHAPTER 7 NAVIGATING THE CONTROL PANEL

INSTALLING THE OPERATING SYSTEM

Steps for installing the machine's operating system.

MAIN INDICATION SCREEN

Explains the main indication screen and its components.

THE FUNCTION MENU

Overview of the function menu structure and options.

CHAPTER 8 ERROR MESSAGES AND CORRECTION

MAIN SHAFT MOTOR

PULSE MOTORS ON X AND Y AXIS

CHAPTER 9 THE CONTROL BOX

CHANGING FUSE IN JOINT BOARD OF M;C WITH LESS THAN 12 HEADS

CHANGING FUSE IN M;C WITH MORE THAN 12 HEADS

CHAPTER 10 MAINTENANCE AND INSPECTION

CHECK POINTS FOR REGULAR INSPECTION

Key points to check during regular machine inspections.

CLEANING

OIL SUPPLY

CHAPTER 11 MACHINE ADJUSTMENTS

ADJUSTING THE TRIMMERS

CORRECT POSITION OF NEEDLE

CHAPTER 12 TROUBLESHOOTING

Operation failure

Thread breaks

Skipped Stitches

SunStar SWF/C-UK1504 Specifications

General IconGeneral
BrandSunStar
ModelSWF/C-UK1504
CategorySewing Machine
LanguageEnglish

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