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A7 Operation Manual

1 Installation Instructions

1.1 Product specifications

Product Type

A7

Supply Voltage

AC 220 ±20%V

Power frequency

50Hz/60Hz

Maximum output power

550W

1.2 Port diagram

Plug each connection plug of the machine head into the corresponding socket behind the controller as Figure 1-2-1.18P functional port as

Figure 1-2-2.Well connected, please check whether the plug is firmly inserted.

1.2.1 Name of each port

1.2.2 18P function port corresponding table

1

2

3

4

5

6

7

8

9

Thickness

Detection

Signal

Thickness

Detection

GND

Thickness

Detection

Power 5V

/

/

/

Low Oil level

detection GND

Switchgroup

GND

Switchgroup

Power supply

+5V

10

11

12

13

14

15

16

17

18

/

/

/

/

/

Low Oil

Detection

signal

Switchgroup-

Fill half a needle

Switchgroup-

backstitch

Switchgroup-

Fill the

needle

·

 

Please read this manual carefully, also with related manual for the machinery before use the controller.

 

·

 

For installing and operating the controller properly and safely, qualified engineers are required.

 

·

 

Please stay away from arc welding equipment, in order to avoid electromagnetic interference and malfunction of the 

controller.   

·

 

Keep room temperature bellow 45°c and above 0°c   

·

 

Do not use in humidity below 30% or above 95% or dew and mist places.   

·

 

Please turn off the power and unplug the power cord, before install the control box and other components, 

·

 

To prevent interference or electric leakage accidents, please make the ground work; the power cord ground wire must 

be securely connected to earth by an effective way. 

·

 

All parts for the repair provided by the Company or approved before use. 

·

 

Please turn off the power and unplug the power cord before any maintenance action. There is dangerous high voltage 

control box, you must turn the power off after one minute before opening the control box. 

·

 

The symbol 

 

in this manual means Safety Precautions, please pay attention to it and strictly follow it, to avoid any 

unnecessary damage.

 

Safety Instruction

18P function port corresponding

The pedals mouth

18P

function

port

corresponding

Exhaust

encoder port

Stepper

encoder

port

Stepper

power

port

Summary of Contents for A7

Page 1: ...r properly and safely qualified engineers are required Please stay away from arc welding equipment in order to avoid electromagnetic interference and malfunction of the controller Keep room temperatur...

Page 2: ...f operation panel will display the current sewing mode parameters start end back tacking and presser foot needle position soft start sewing etc Function mark of the operation panel is as follows 1 2 3...

Page 3: ...ng pressed toggle the presser foot function on or off The trajectory of key If click switch the current sewing track 1 4 cycle switch track description Track 1 standard track to reduce fabric sliding...

Page 4: ...voice version V2 represents the recovery code Presser foot key 1 Short press key the icon of LCD is lit the c sewing after the end of automatic trimming presser foot function turns on 2 Long press Key...

Page 5: ...to fully over stalk 3 2 Thin material thickness setting 1 Long press the Thin Thickness Test key to enter the Thin Thickness Test Setting Interface stop the needle to the stop position the needle plat...

Page 6: ...ous stitching according to the time 2 half stitching 3 one stitching P 1 6 0 9999 0 Thickness detection 0 point value P 1 7 0 9999 0 Thick material height P 1 8 0 50 5 A terrier number of threads P 1...

Page 7: ...he Angle relative to Z signal P 5 9 0 359 160 Lower stop needle to adjust the Angle relative to upper stop needle P 6 0 200 5000 4000 Automatically test running speed P 6 1 0 1000 500 Electric Angle v...

Page 8: ...e ratio between motor and machine M 0 2 On the AD value M 2 6 The total used time hours of motor M 0 3 The step zero M 2 7 Software version L M 0 4 busbar voltage M 2 8 Software version H M 0 5 The sp...

Page 9: ...circuit failure Turn off the system power and turn on the power again after 30 seconds to see whether it can work properly Try a few times again If the fault occurs frequently please contact your loc...

Page 10: ...g and restart Please contact your local service provider or call 4008876858 Err 32 Backstitch step motor hardware overcurrent 1 Turn off the system power and then turn on the power again after 30 seco...

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