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Brother BAS-6150 Instruction Manual
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Brother BAS-6150 Instruction Manual

Brother BAS-6150 Instruction Manual

Automatic lockstitch pocket welt sewer
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BAS-6150
INSTRUCTION MANUAL
Please read this manual before using the machine.
Please keep this manual within easy reach for quick reference.
AUTOMATIC LOCKSTITCH POCKET WELT SEWER

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Summary of Contents for Brother BAS-6150

  • Page 1 BAS-6150 INSTRUCTION MANUAL Please read this manual before using the machine. Please keep this manual within easy reach for quick reference. AUTOMATIC LOCKSTITCH POCKET WELT SEWER...

  • Page 3: Safety Instructions

    ) indicates what you must not do....This symbol ( ) indicates what you must do. The picture inside the circle indicates what must be done. (For example, the symbol on the left means "you must set the ground connection".) BAS-6150...
  • Page 4 Place the leveling sheet on the sound floor Be sure to connect ground. Insecure ground- and secure the machine with casters so that ing may cause problems with correct opera- it will not move. tion and a serious electrical shock. BAS-6150...
  • Page 5 Contact your Brother dealer or a Attach all safety devices before using the qualified technician. machine. Operation without safety device may cause injury. Contact your Brother dealer or a qualified technician when the machine is in trouble. BAS-6150...

  • Page 6: Maintenance And Inspection

    When adjustment has to be done with the power switch and air supply on, pay enough attention to safety. Detach the air tube of air source and set the pointer of the pressure gauge to [0] for inspection, adjustment, and repair of air using devices. BAS-6150...
  • Page 7 Operate with safety devices. Turn off main switch before changing needle, cleaning etc. Safety devices: cover, take-up lever cover, guard bar Moving parts may Direction of operation cause injury. Tale-up lever cover Cover 1434S Guard bar 1432S BAS-6150...

  • Page 8: Table Of Contents

    2-4. How to adjust the marking light beam ............37 3. Machine stop ................... 38 3-1. How to stop the machine ................38 3-2. Machine stop reset ..................38 3-3. Post-process after the machine stop due to errors ........38 BAS-6150...
  • Page 9 3-2. How to sharpen the fixed knife ..............72 4. Center knife (Upper knife).................73 5. Center fixed knife ..................74 5-1. How to dismount the fixed knife ..............74 5-2. Position adjustment of the center knife(upper knife) and fixed knife ..74 BAS-6150...
  • Page 10 DIP-SW B (Main print circuit board) ............94 DIP-SW C (Main print circuit board) ............95 Chapter 9 Error code List ............. 97 Error code List ..................... 98 Chapter 10 Troubleshooting ..........101 Reference table in trouble ................. 102 BAS-6150...

  • Page 11: Chapter 1 Machine Preparation

    Chapter 1 Machine Preparation...

  • Page 12: Specifications

    8, 10, 12, 14, 16, 18, 20 mm (Standard: 12mm) Needle to be used Mtx190#16 (#14 - #18) Rotary hook Horizontal double hook Power 3 phase 200V,220V,380V,400V,415V, 600VA Air pressure/air consumption 0.49Mpa, 10l /min Weight 225kg Dimensions W1,010mm x D1,350mm x H1,200mm BAS-6150...

  • Page 13: Name Of Parts

    Chapter 1 Machine Preparation 2. Name of parts Marking light Cotton stand Marking light Cover Binder Control panel Table R Emergency stop switch Stacker (option) Power switch Flap clamp Guard bar (option) Carriage feed Table L 3-pedal switch Caster 1435S BAS-6150...

  • Page 14: Installation

    Up lever e, then the main body can be movable. (Note) If the floor is not solid enough, the machine may become unstable. Lay something solid like concrete plates and precede the installa- tion steps. 1437S BAS-6150...

  • Page 15: Installation Of The 3-Pedal Foot Switch

    3-3. Installation of the 3-pedal foot switch Plug connector w of 3-pedal foot switch q into the connector on the front side. 1438S 3-4. Attachment of the cotton stand Put cotton stand q into bracket w and fix with screw e. 1439S BAS-6150...

  • Page 16: Detachment Of The Emergency Stop Switch Cover

    1440S 3-6. Attachment of the stacker (option) I How to attach 1. Set tap plate q at the bottom and the stacker base w at the top of the leg. Fix them with four bolts e respectively. 1441S BAS-6150...
  • Page 17 3. Attach chain o to stacker i and guard t with bolt u. 1442S 4. Connect air hose !1 from manifold !0 on the stacker to plumber module !3 of regulator !2 . 1443S 1444S BAS-6150...
  • Page 18 Chapter 1 Machine Preparation 5. Connect bar stacker harness !4 to P20 on main circuit board !5 in the control box. 1445S BAS-6150...

  • Page 19: Air Pressure Setting

    0.49 Mpa. 3. When water is noticed in bottle t, drain water by pressing the button of the drain cock y. (Note) When bulb u is opened, pay due attention to movement of the stacker bar. 1447S BAS-6150...

  • Page 20: How To Open The Main Plate

    (Note) Open or close main plate w with binder e held up by hand not to touch the needle when the binder e is in down position. ( Binder e goes down when the power or air supply is OFF.) BAS-6150...

  • Page 21: Preparation For Sewing

    2. Pull up the plunger and lock it, and then open the main plate. (Refer to "3-8. How to open the main plate") 3. Loosen set screw q. 4. Thrust needles w up straight with their long grooves facing to the inside and fasten up set screw q. BAS-6150...

  • Page 22: How To Dismount The Bobbin Or Bobbin Case

    “4-3. How to wind the lower thread” and “4-4. How to thread the lower thread”. 1450S 1. Rotate the pulley to lift needle q to the highest point. 2. Open the slide plate. 3. Dismount bobbin case e and bobbin r after pulling up rotary hook hold w. BAS-6150...

  • Page 23: How To Wind The Lower Thread

    (Note) • The winding amount of thread should be less than 80 % of full roll. • If threads are wound onto the lower thread remaining amount detection bobbin (option), start winding from the end of bobbin because a mirror is placed on the center of the bobbin. BAS-6150...

  • Page 24: How To Thread The Lower Thread

    2. Let the thread through slit e and go through under timing spring r. 3. Pull out the thread by approx. 50 mm from the thread hole at the end of spring r. 4. Put bobbin case q and bobbin w into the rotary hook. 1455S BAS-6150...

  • Page 25: How To Thread The Upper Thread

    • Pull out the end of thread by about 50mm. 1456S 4-6. Adjusting the thread tension After the lower thread tension has been adjusted, adjust the upper thread tension. Stronger Stronger Weaker Weaker 1630S Weaker Stronger 1631S BAS-6150...

  • Page 26: Retention Of Upper And Lower Threads

    7. Press the "FEED" key q to move the carriage feed to the standby position. * When the setting for the memory switch 3 (environment parameter No.63) is set to ON, press the "ENTER" key r with the "FEED" key q being pressed. 1459S BAS-6150...

  • Page 27: Adjusting The Thread Tension Spring

    1. Loosen the set screw !1 . 2. Loosen the knob y, and then turn the left and right thread take-up spring guides !0 1636S to adjust the tension. 3. Tighten the screw !1 , and then tighten the knob y. Earlier Later 1637S BAS-6150...

  • Page 28: Initialization At The Time Of Power On

    3. Initialization is performed as for the memory by pressing "ENTER" key w. 4-9-2. Initialization of the counter When you turn on the power switch while holding down "RESET" key q and "SELECT" key e, both counters for the lower thread and the production will be reset to 0. BAS-6150...

  • Page 29: Chapter 2 Sewing Flow

    Chapter 2 Sewing flow...

  • Page 30: Outline Of Operation

    "SELECT" Menu display !3 is changed. If pressed while the production counter is displayed, the production counter is set to 0. y "ENTER" Contents of the displayed menu are set to be configurable. BAS-6150...
  • Page 31 Li, Mo Setting for the center and corner knives Reference position Seam length Front reference Center reference Left flap Rear reference Right flap Stacker used When the cycle program is selected, the progress is changed within the cycle program. BAS-6150...
  • Page 32 Program No. Program No. change The cycle program is not used. Contents display window !1 Li, Mo Contents of the cycle program Setting for the center and corner knives The program No. for the current progress blinks. Stacker used BAS-6150...
  • Page 33 When the cycle program is selected, the progress is changed within the cycle program. !4 [!CAUTION] The lamp turns on or blinks when an error occurs. The contents of the error is displayed in the contents display window !1 . BAS-6150...

  • Page 34: How To Operate The 3-Pedal Switch

    The above description illustrates the initial settings. Setting for the addition is performed with the envi- ronment parameter No. 17 [Start switch allocation]. (Refer to [Chapter 7 Environment setting].) After set- ting change, press the switch again after all pressers go down with the forward switch pressed. BAS-6150...

  • Page 35: Preparation Flow For Sewing

    , the center knife moves up and down. Be careful in order not 1463S to be injured and not to put cloth and the like around the knife. 3. Press ∆∇ key to select the sewing program. BAS-6150...

  • Page 36: Test (Step) Operation

    7. One step backward is performed by pressing the backward switch t. 8. Continuous backward operation is performed by continuous press of the backward switch 9. Press the "RESET" key w when the test operation is not performed to stop the test operation mode. BAS-6150...

  • Page 37: How To Set The Cloth

    7. Press down the start switch and sewing is started. Press the emergency stop switch to stop sewing that is going on. 1469S (Note) Be sure not to touch the machine while sewing. BAS-6150...
  • Page 38 1. Operate in accordance with steps 1 through 6 "Standard sewing". 2. Set the left flap. 3. Press down the forward switch five times and flap clamp (left) w goes down. The cloth can be set with steps above completed. 1470S BAS-6150...

  • Page 39: How To Adjust The Marking Light Beam

    3. Set the mark " " at the best position (for startup and end of sewing) by loosening fly screw r. (Note) Find the front and rear position of sewing startup by adjusting bolt t. 1471S BAS-6150...

  • Page 40: Machine Stop

    If an error is displayed when the power supply is on or in sewing, check the corrective action for error codes displayed in the contents display window q by referring to [Chapter 9. Error Code List]. After checking, press the "RESET" KEY w. BAS-6150...

  • Page 41: Chapter 3 Settings

    Chapter 3 Settings...

  • Page 42: Program Operation

    • 10 kinds of sewing program (1-9, 0) can be set. 1457S Sewing pattern BAS-6150 : Parallel sewing BAS-6150 (flap specifications) : Parallel sewing, flap sewing (right and left) When the standby mode is ON (the power supply ON and the start switch pressed), the following settings can be performed for items in the menu q on which LED is lit.

  • Page 43: List Of Parameters

    Tack stitch pitch - start of Condense: 0.4 - 2.0mm (0.1mm pitch) sewing and end of sewing Back tack: 0.8 - 3.4mm (0.1mm pitch) in common Needle drop number on the 1 to 5 needles same spot - start of sewing BAS-6150...
  • Page 44 High air compression after T-gauge goes down Low air compression Not used Settings for folding plate Only left used Only right used Both used Folding plate movement at Both open corner knife up Only left open Only right open Both used BAS-6150...
  • Page 45 Marking light OFF time 0.1 - 9.9sec (0.1sec) Roller stacker Not used Used (Automatic sensing) Roller drive distance -999 - 999mm (1mm pitch) Roller speed 30 - 300rpm Program copy Specify the program No. of the original program to be copied. BAS-6150...
  • Page 46 Foot switch Next foot switch values operation (1) Not used 0, 1, 2, 3 — — Only left 0, 1, 2, 3 — used Only right 0, 1, 2, 3 — used 0, 3 — Both used — — — BAS-6150...
  • Page 47 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° BAS-6150...
  • Page 48 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° BAS-6150...
  • Page 49 5. Adjust the front and rear position of the feeder with key. Start of sewing position End of sewing position 1478S 6. Press down the start switch to memorize the value and the feeder moves to the standby position. BAS-6150...

  • Page 50: Center Knife And Corner Knife Correction

    The correction value ranges from -9.9 to 9.9 in the unit of 0.1 mm. (Nos. do not show the real dimension but does a rough idea.) Center knife Corner knife Start of sewing Start of sewing End of sewing End of sewing 1480S 1479S 6. Press the "ENTER" key r to memorize the changed contents. BAS-6150...

  • Page 51: Cycle Program

    "SELECT" key e. When the stacker operation is set, a dot appears at the lower and right side of the program No. 6. Press the "ENTER" key r to memorize the changed contents. Return to step 4, 5 if you have other programs to change. BAS-6150...

  • Page 52: Counter Operation

    "RESET" key y is pressed. 3. The production counter is set to 0 by pressing the "SELECT" key w while the production counter is displayed. 4. The display is returned to the lower thread counter display by releasing the "RESET"key y. BAS-6150...

  • Page 53: Program Lock

    Items shown below only can be changed while the program is locked. Program No. Sewing distance Cycle program No.(mode) Operation setting for the center knife, corner knife and stacker (Note) Setting function can not be used. BAS-6150...

  • Page 54: How To Set Double And Single Welting

    6. Press "FEED" key q with the binder up and the carriage feed is returned to the standby position. * When the setting for the memory switch 3 (environment parameter No.63) is set to ON, press the "ENTER" key w with the "FEED" key q being pressed. BAS-6150...

  • Page 55: Chapter 4 Oiling

    Chapter 4 Oiling...

  • Page 56: Oiling

    • Supply oil when the quantity of oil is reduced to the lower part of the oil meter short too fast. window w. • Be careful not to supply oil excessively lest the oil spills over when the machine is raised upright. BAS-6150...

  • Page 57: Oiling

    Chapter 4 Oiling 2. Oiling For initial operation or after long repose of the machine, be sure to apply a couple of drops of oil to the arrow-pointed places. 1487S BAS-6150...

  • Page 58: How To Raise The Head

    3. Pull and lock shaft stopper e located at the rear and lower end. 4. Dismount hook t from support metal fitting r at front and lower side and raise the machine. 5. Detach catch clip y and oil pan u. 1488S 1489S BAS-6150...

  • Page 59: Chapter 5 Adjustment

    Chapter 5 Adjustment For raising the head, refer to “3. How to raise the head” in “Chapter 4. Oiling”.

  • Page 60: Timing Adjustment Of Needle And Rotary Hook

    (standard: 2.4 mm) Excessive increase of lift amount causes the loose tension of the thread and the frequent stitch skip. 3. Adjust the timing between the needle and Gauge rotary hook written above. 2.4 2.8 3.5 2.4 2.8 3.5 1589S BAS-6150...

  • Page 61: Clearance Adjustment Between Needle And Rotary Hook

    3. Clearance adjustment between rotary hook and needle plate 0.6~0.9mm 0.6~0.9mm 1491S 1495S Loosen screw q and let the rotary hook w up and down so that the clearance between rotary hook w and needle plate e be 0.6 - 0.9mm. BAS-6150...

  • Page 62: Clearance Adjustment Between Rotary Hook And Bobbin Case Opener

    Adjust the height of the top end of carriage feed, when it is up, to be 20mm from the slide plate. Shaft Approx. 20mm 1497S 1. Loosen nut q. 2. Rotate cylinder w shaft to adjust the height of carriage feed e top end (about 20mm). 3. Tighten nut q to lock after height adjustment. BAS-6150...

  • Page 63: Explanation Of Sensor Amplifier

    Which one of detection output 1 or 2 is selected is indicated. Rotation of the jog switch can change 1 to 2 and vise versa. For this equipment, output 1 is used. t Detection output action indicator lamp LED is turned on when the sensor is ON. For this equipment, the indicator 1 shows the sensor condition. BAS-6150...

  • Page 64: Adjustment Of Flap Sensor (Flap Specifications)

    The right end position of the flap may not be detected if the folding plate is contaminated with dirt. When the reflective tape loses its function, replace the tape with new one. 5. Reset the emergency stop switch. BAS-6150...

  • Page 65: How To Set The Detection Sensitivity

    6. Pull up lever w and mount cover q for the sensor amplifier. (Note) Be sure to cut the top of fiber only by the dedicated fiber cutter, which comes with at supply of the fiber. Cutting by a nipper and other tools may cause low sensitivity and detection error. BAS-6150...
  • Page 66 8. Pinch the sensor holder R•L with fingers and slide it to set the light spot on the reflection seal on the folding plate for adjustment of right and left flap detection sensors. Also adjust the value of the sensor amplifier to be the maximum. If required, loosen the bolt and adjust the direction of rotation. BAS-6150...

  • Page 67: Adjustment Of The Lower Thread Detection Sensor (Option)

    8-1. How to wind the lower thread (Note) Be sure to wind the thread either right or left Thread end of the groove. Winding from the center can not guarantee the precise detection of remaining amount of threads. 1509S BAS-6150...

  • Page 68: How To Set The Detection Sensitivity

    Chapter 5 Adjustment 8-2. How to set the detection sensitivity 8-2-1. Threshold value setting Refer to "7-2-1. Threshold value setting" 8-2-2. How to insert the fiber Refer to "7-2-2. How to insert the fiber" BAS-6150...

  • Page 69: Adjustment Of The Upper Thread Breakage Sensor (Option)

    6. The sensor on the right is adjusted with same steps as those of 4 and 5 above. 7. Let the upper thread pass through between photo sensors. 8. Close lid q for the upper thread breakage sensor box. BAS-6150...
  • Page 70 Chapter 5 Adjustment BAS-6150...

  • Page 71: Chapter 6 Knife Replacement

    Chapter 6 Knife replacement...

  • Page 72: Corner Knife

    (Note) Be careful not to cut yourself on the finger with a corner knife. 3. Loosen screw w and replace corner knife e. Fix the corner knife e aligning its end surface with that of the knife base. 1533S BAS-6150...

  • Page 73: Upper Thread Trimming Knife

    4. Detach fixed knife r, moving knife t, upper knife guide e, and thread retention plate y by pulling upper knife guide e forward or backward. * For attachment after replacement, follow above steps the other way around from 4 to 1. 1513S BAS-6150...

  • Page 74: Lower Thread Trimming Fixed Knife And Movable Knife

    • Sharpen fixed knife u with oil whet stone i as illustrated when cutting gets uneasy. • Movable knife t can not be sharpened with regular whet stones. Replace it with new one when the cutting gets uneasy. 71˚ 1516S BAS-6150...

  • Page 75: Center Knife (Upper Knife)

    (Note) Press the upper knife to the deepest position for attachment. 1518S 4. Rotate the upper shaft pulley and confirm the upper knife r goes up 5 mm high from needle plate t when the upper knife reaches to the highest point. 1519S BAS-6150...

  • Page 76: Center Fixed Knife

    A. 3. Rotate C and slide D. Press the center knife jig A and the fixed knife together tightly in the E plane and fasten the screw B, holding the pressed condition. 1583S BAS-6150...

  • Page 77: Chapter 7 Environment Setting

    Chapter 7 Environment setting...

  • Page 78: Environment Parameter Setting

    3. Press ∆∇ key to change the environment parameter No. 4. Press key to change the contents. Return to step 3 if you have other environment parameters to change. 5. Press the "ENTER" key q to memorize the changed contents. BAS-6150...
  • Page 79 Movement speed to the 15 to 40m/min (5m/min pitch) standby position Movement speed to the 15 to 40m/min (5m/min pitch) feed position Center knife offset - start of -9.9 to 9.9mm (in the unit of 0.1 mm) sewing correction BAS-6150...
  • Page 80 0 to 50 mm (in the unit of 1 mm) knife descent timing Distance from the end of sewing to the start of the upper thread’s descent. (This setting is performed to adjust the amount of the remained upper thread.) BAS-6150...
  • Page 81 Timer for standby time 0.1 to 9.9 second after the flap clamp ON Standby time for the start of the clamp’s movement after the flap clamp ON. Flap sensor and needle drop 30.0 to 40.0mm 35.0 distance - start of sewing BAS-6150...
  • Page 82 The distance between the reference mark after clamping and the home position at the stacking position. Test sewing speed 200, 500, 800, 1000, 1200, 1500, 1800, 2000, 2200, 2500, 1000 2800, 3000 rpm Center knife setting during the machine test BAS-6150...
  • Page 83 When the setting for the memory switch 1 (environment parameter No. 61) is set to ON and the home position is to be set , the center knife moves up and down. Be careful in order not to be injured and not to put cloth and the like around the knife. BAS-6150...
  • Page 84 52.1 127.9 51.0 128.5 (mm) Table 3. Initial values for the stacker operation timer Stacker Kind STEP1 STEP2 STEP3 STEP4 STEP5 STEP6 STEP7 operation mode — — — — Standard bar stacker (option) High-feature bar stacker (option) — (Second) BAS-6150...
  • Page 85 Chapter 7 Environment setting (Standard stacker 4 steps) 1530S BAS-6150...
  • Page 86 Chapter 7 Environment setting (High-feature stacker Mode 0: 7 steps) 1531S BAS-6150...
  • Page 87 Chapter 7 Environment setting (High-feature stacker Mode 1: 6 steps) 1532S BAS-6150...

  • Page 88: Machine Test Mode

    3. With that condition, press the start switch q and then the machine starts to operate. The "ENTER" key e is not pressed 4. Press the "RESET" key w and then the machine stops to end the machine test mode. 5. Press the "ENTER" key e to end the environment parameter setting. BAS-6150...

  • Page 89: Foot Switch Timer Setting

    Pressing the backward switch w returns one step of operation. 4. Press forward switch q to descend all clamps. 5. Contents of the parameter of [No.21 Foot switch operation] is set to ON display. 6. Press the "ENTER" key e and the environment parameter setting is ended. BAS-6150...

  • Page 90: Operation Test For The Stacker And Roller

    2. With that condition retained, press "RESET" key q and the bar stacker or the roller stacker operates independently as specified by the contents of setting. The "ENTER" key w is not pressed. 3. Press the "ENTER" key w to end the environment setting. BAS-6150...

  • Page 91: Sensor Check

    The start switch is not pressed. When the sensor or the switch is set to ON, the corresponding LEDs in the program No. display window q and contents display window w turn on. 3. Press the ∆∇ key, key, "ENTER" key e, and "SELECT" key r to change items to be checked. BAS-6150...

  • Page 92: Sensor Switch

    Stacker sensor 1 Flap sensor L Flap sensor R Stacker sensor 2 Corner knife home position sensor Roller sensor Upper thread breakage sensor L Upper thread breakage sensor R Lower thread volume sensor L Lower thread volume sensor R Servo error BAS-6150...

  • Page 93: Dip Switch

    The corresponding segment lights on when the DIP switch is ON. 5-3. Voltage of 210 V and 55 V 220V 1581S 1525S The voltage is displayed. 5-4. Voltage of 30 V and 24 V 1582S 1526S The voltage is displayed. BAS-6150...

  • Page 94: Rom Version Display

    Version No. (A-Z) MOTOR COUNTER 1527S 3. Press the "SELECT" key r, "ENTER" key t, ∆∇ key, and key to change the kind of PROM to be displayed. 4. Press the "RESET" key e and the ROM version display is ended. BAS-6150...

  • Page 95: Chapter 8 Dipswitch

    Chapter 8 Dipswitch...

  • Page 96: Dip-Sw A (Control Panel)

    1638S DIP-SW B (Main print circuit board) Description Initial value Clamp type setting standard (220mm) long (250mm) Corner knife and base adjustable BAS-6150 type Bottom feeder (Option) unuse — — Sensor check don't Feeding sensor adjustment don't Corner knife sensor adjustment don't When both 7 and 8 are set to ON, the following sequence of steps are to be performed.

  • Page 97: Dip-Sw C (Main Print Circuit Board)

    Refer to the table below. Correction quantity Initial set value Delay by 1 slit Delay by 2 slits Delay by 3 slits Initial set value Gain by 1 slit Gain by 2 slits Gain by 3 slits BAS-6150...
  • Page 98 Chapter 8 Dipswitch BAS-6150...

  • Page 99: Chapter 9 Error Code List

    Chapter 9 Error code List...

  • Page 100: Error Code List

    Abnormal carriage feed motor Turn off the power supply. E-400 Right flap front edge detection error Press RESET switch. E-401 Left flap front edge detection error Press RESET switch. E-402 Front edge of right flap could not be detected Press RESET switch. BAS-6150...
  • Page 101 Main PCB communication error Press RESET switch. E-721 Panel PCB communication error Press RESET switch. E-722 Sewing PCB communication error Press RESET switch. E-723 Main PCB communication error Press RESET switch. E-724 Motor PCB communication error Press RESET switch. BAS-6150...
  • Page 102 Corner knife home position detection error Turn off the power supply. E-801 Corner knife motor over current error Turn off the power supply. E-802 Corner knife operation error Turn off the power supply. E-999 Internal processing error Turn off the power supply. BAS-6150...

  • Page 103: Chapter 10 Troubleshooting

    Chapter 10 Troubleshooting...

  • Page 104: Reference Table In Trouble

    → Refer to "Adjusting the thread tension spring". • Is the tension of upper thread too weak ? → Adjust the upper thread to correct tension. • Is the tension of lower thread too weak ? → Adjust the lower thread to correct tension. BAS-6150...
  • Page 105 → Confirm connection of fiber unit and sensor amplifier. Detection of the lower thread • Is the sensitivity of sensor amplifier correctly set ? → Refer to "Adjustment of lower thread detection sensor". detection with the tread remained in the bobbin BAS-6150...
  • Page 106 Chapter 10 Troubleshooting BAS-6150...

  • Page 107: Instruction Manual

    INSTRUCTION MANUAL BROTHER INDUSTRIES, LTD. 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone: 81-52-824-2177 151-6150 Printed in Japan S93615-002 2001.11.H(1)

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