background image

Press  the button    , the  icon      display, 

means  that  the  midway  press  foot  lifter 
is on. Press the button     again, the icon    
not      display,  means  the  midway  press 
foot lifter is off.

Press      ,  the  icon        display,  means 

that the press foot lifter after trimming is 
on. 

Press        again,  the  icon      not  display, 

means  that  the  press  foot  lifter  after 
trimming is off.

 

The  right  thumb  press  the  button  on  the  lockstitch  dial,  the 

left  hand  press  back  seam  wrench  slowly,  the  right  hand  rotate 
stitch  dial  at  the  same  time,  on  the  clockwise  direction,  stitch 
becomes  smaller,  on  the  counterclockwise  direction,  stitch 
becomes  larger.  When  adjust  to  the  proper  position,  you  can  let 
go. 

: When adjusting the pitch, if not press back seam lever, 

stitch dial is heavy.

Note

Picture

12

13

Stitch adjustment method

Stitch length adjustment instructions:

Automatic presser foot lifter settings

Switch of press 
foot lifter

The switch of press foot lifter after
trimming:

The midway press foot lifter settings:

LED screen area

Manual Book of A4

Product Introduction

Summary of Contents for A4

Page 1: ...Manual Book No 15 Airport SouthRoad Jiaojiang District Taizhou Zhejiang PRC TEL 0086 576 88177782 88177767 FAX 0086 576 88177787 E mail sales chinajack com www chinajack com A4...

Page 2: ...ng 13 4 Factory reset setting 17 5 Free sewing and thread trimming setting 18 6 W sewing settings 19 7 Multi segment sewing settings 20 8 Speed adjustment 23 9 Pedal adjustment 24 10 Language setting...

Page 3: ...Product Introduction Each botton has voice reminder Each operation has voice guide 2 3 Good looking Speaking Easy to use Voice Reminder USB Port For charging cell phone cooling fan also can be used to...

Page 4: ...venient for replacing encoder Sensor for automatic presser foot lifter New motor Left Lever 4 5 H u m a n i ze d o p e r a t i o n Provide a better operating experience for operator New operating pane...

Page 5: ...k A4 Oil Need Low oil consumption oil saving 25 more cost effective 440g 330g Universal A4 New oil tank Moment of force 6 7 Back cover The appearance is more neat and beautiful Model of machine adapta...

Page 6: ...osition setting Take up lever at up needle position P P Motor initial angle test method Press the button and hold on then press the button to enter the monitor mode the parameter interface displaying...

Page 7: ...hold on then press the button again the machine version ill display on the operation panel Press the button and hold on then press the button to enter the monitor mode display Press the button untill...

Page 8: ...press back seam wrench slowly the right hand rotate stitch dial at the same time on the clockwise direction stitch becomes smaller on the counterclockwise direction stitch becomes larger When adjust t...

Page 9: ...e is too much this value increases and the intensity of presser foot increases Presser foot lifting electromagnet per cycle opening time ms When this value increases current sound of presser foot lift...

Page 10: ...PA0 PA1 Presser foot lifting electromagnet protection time 100ms Delay time of the midway press foot lifter ms 0 600 1 9999 0 6000 100 5000s 50s When the sensor is on and instant shade the sensor dela...

Page 11: ...d trimming switch Free sewing Trimming switch W sewing settings W sewing several segment sewing button W sewing several segment sewing A B refers to the stitch numbers of initial and final sewing D re...

Page 12: ...maximum adjustable segment is 24 Segment number setting the first segment the second Display the total number of segments of the set change the section number when you adjust The stitch number settin...

Page 13: ...ve half stitch When the addition stitch switch button is pushed forward the function of adding one stitch will come true When machine stops in sewing pressing addition stitch button will have one stit...

Page 14: ...024 80 Parameter Adjustable range System default Parameter description Pedal cutting line position Setting of anti pull after trimming Parameter description It realizes trimming is pulled back functio...

Page 15: ...hen utilize hex key 4mm to loose four electric control fastening screws represented as AB in the picture 2 Take down the electronic control box and then use hex key 4mm to loose the screw represented...

Page 16: ...ouncements of dismounting the motor grating film Announcements 2 After replacing the grating film need to make sure the left right position of the grating film and don t touch the encoder 3 Need to ma...

Page 17: ...ectromagnet full output time ms Presser foot lifting electromagnet per cycle opening time ms Parameter Parameter Range Default Parameter Description Trimming point of pedal Stitch balance for end back...

Page 18: ...oming down unit ms When the sensor is on and shade the sensor delay time of presser footer coming down unit 0 1s Parameter Parameter Range Default Parameter Description Presser foot lifting function s...

Page 19: ...Solution Hardware overcurrent Software overcurrent Over voltage in operation Disconnect the controller power and check if the input voltage is too high higher than 264V If yes please restart the contr...

Page 20: ...positioning failure Error Code Description Solution Initial motor electrical angle failure Try 2 to 3 more times after power down if it still does not work please replace the controller and inform the...

Page 21: ...Notes Notes...

Page 22: ...Notes Notes...

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