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SunStar SWF/C-T1201 - User Manual

SunStar SWF/C-T1201
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

  • A
    Anne RomeroAug 18, 2025
    What to do if SunStar Sewing Machine thread breaks before trimming?
    • S
      Sabrina AguirreAug 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.
  • K
    kristinamarquezAug 20, 2025
    Why does my SunStar SWF/C-T1201 thread break?
    • S
      Samantha WoodAug 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.
  • A
    amanda36Aug 23, 2025
    What causes short upper thread after trimming on SunStar SWF/C-T1201?
    • R
      Ronald DoyleAug 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.
  • T
    tina01Aug 26, 2025
    What to do if my SunStar SWF/C-T1201 Sewing Machine is not trimming?
    • C
      Chris ClarkeAug 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.
  • L
    Lynn SanchezAug 28, 2025
    What to do if my SunStar SWF/C-T1201 has poor stitch tension?
    • H
      Hailey BrewerAug 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.
  • M
    Marvin WatsonAug 30, 2025
    What to do if my SunStar Sewing Machine needle breaks?
    • D
      david00Aug 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.
  • J
    Johnny SimsSep 2, 2025
    How to fix operation failure of SunStar Sewing Machine?
    • L
      luis99Sep 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.
  • E
    Eric GilbertSep 4, 2025
    What to do if my SunStar SWF/C-T1201 has a bad jump?
    • C
      Candace LopezSep 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.
  • T
    Thomas JonesSep 7, 2025
    Why is my SunStar Sewing Machine puckering?
    • K
      Kelly YoungSep 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.
  • M
    Michael EvansSep 9, 2025
    What causes incorrect stop position on SunStar Sewing Machine?
    • M
      Martha MosleySep 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

SAFETY RULES

DELIVERY OF YOUR MACHINE

Procedures for safe machine delivery via crane and forklift.

INSTALLATION

Requirements for machine installation environment, electricity, and foundation.

MACHINE OPERATION

Guidelines for safe operation, including dress code and handling moving parts.

REPAIR

Instructions for safe repair work, emphasizing SWF-trained engineers and genuine parts.

INSTALLATION AND MACHINE ASSEMBLY

ENVIRONMENT

Specifies optimal temperature, humidity, and workspace conditions for machine installation.

ELECTRICITY INSTALLATION

Details required input voltage, allowed range, capacity, and insulation resistance.

FUNCTIONS FOR BASIC MACHINE OPERATION

NAMES AND FUNCTIONS OF PARTS IN OPERATION BOX

Details the function of each button and display element on the operation box.

EMERGENCY POWER AND START;STOP BUTTONS

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

EMERGENCY STOP

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

UPPER THREADING AND TENSION ADJUSTMENT

Guides on proper upper thread threading and tension adjustment for optimal stitching.

LOWER (BOBBIN) THREADING AND TENSION ADJUSTMENT

Instructions for threading the bobbin and adjusting lower thread tension for correct stitching.

NEEDLE- HOOK TIMING CONTROL

Covers needle selection, thread relationship, and needle-hook timing for stitching quality.

NAVIGATING THE CONTROL PANEL

INSTALLING THE OPERATING SYSTEM

Steps for installing or upgrading the machine's operating system software.

USE OF FUNCTION MENU

Detailed instructions on using various functions accessible through the control panel menus.

REPETITION WORK

Settings for repeating designs horizontally, vertically, and with specified intervals.

DATA SET-UP

Parameters for embroidery work and machine operation, including stitch clearing and jump conversion.

EMBROIDERY DESIGN EDITING

Options for modifying stitch data, dividing designs, and filtering designs.

FRAME MOVEMENT

Controls for moving the embroidery frame during operation and for setup.

MACHINE DATA SET-UP

NEEDLE BAR SELECTION

ERROR MESSAGES AND CORRECTION

MAIN SHAFT MOTOR

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

PULSE MOTORS ON X AND Y AXIS

Lists error messages for X and Y axis motors and their corresponding solutions.

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

STANDARD VOLTAGE FOR X, Y DRIVERS (BY MACHINE TYPE)

MAINTENANCE AND INSPECTION

CHECK POINTS FOR REGULAR INSPECTION

Lists critical points for regular inspection to prevent machine failures.

CLEANING

OIL SUPPLY

MACHINE ADJUSTMENTS

ADJUSTING THE TRIMMERS

ADJUSTING DRIVE BELT TENSION

TROUBLESHOOTING

OPERATION FAILURE

Addresses common operational failures like loose belts, power issues, and start switch errors.

INCORRECT STOP POSITION

Troubleshoots errors related to incorrect needle stop positions due to loose belts or encoder issues.

BAD COLOR CHANGE

Solutions for errors in needle stop position, signal sensing, and take-up lever position during color changes.

POOR DETECTION OF UPPER THREAD

BAD JUMP

BAD STITCH QUALITY

THREAD BREAKS

Lists causes of thread breaks, including stitch density, needle size, installation, and thread quality.

POOR STITCH TENSION

Explains how to resolve poor stitch tension due to upper/lower thread issues or hook timing.

NEEDLE BREAKS

Covers causes of needle breaks like bent needles, incorrect installation, or needle-hook point issues.

PUCKERING

TRIMMING FAILURE

Troubleshoots trimming failures due to fuse issues, solenoid problems, or damaged components.

TRIMMER RETURN FAILURE

SHORT UPPER THREAD AFTER TRIMMING

THREAD IS NOT CUT (AT SPECIFIC HEAD)

FAILURE OF UPPER THREAD SOLENOID

SunStar SWF/C-T1201 Specifications

General IconGeneral
BrandSunStar
ModelSWF/C-T1201
CategorySewing Machine
LanguageEnglish

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