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No. 

Items 

Range 

Default 

Description 

P54 

Thread trimming action time 

(ms) 

10-990 

200 

 

P55 

Thread wiping action time 

(ms) 

10-990 

10 

 

P56 

Power on and positioning 

0-2 

0: Always not to find the up needle position 
1: Always to find the up needle position 

P57 

Presser foot solenoid 

protection time (s) 

1-60 

Forced shutdown after hold time to prevent the electromagnet from 

being hot for a long time 

P58 

Up needle position adjustment 

0-359 

90 

Up position adjustment, the needle will advance stop when the 
value decreased, the needle will delay stop when the value 
increased. 

P59 

Down needle position 

adjustment 

0-359 

270 

Down position adjustment, the needle will advance stop when the 
value decreased, the needle will delay stop when the value 
increased. 

P60 

Testing speed (rpm ) 

100-3700 

3500 

Setting testing speed. 

P61 

Testing A 

ON/OFF 

OFF 

Continuous running testing. 

P62 

Testing B   

ON/OFF 

OFF 

Start and stop testing with all functions. 

P63 

Testing C 

ON/OFF 

OFF 

Start and stop testing without all function. 

P64 

Test run time 

1-250 

30 

 

P65 

Test stop time 

1-250 

10 

 

P66 

Machine protection switch 

selection 

0-1 

0: Disable 

1: Testing zero signal 

P69 

Pattern freedom sewing speed 

100-3000 

2000 

 

P70 

Type 

 

 

 

P71 

Correction stitches distance of 
manual button A 

0-5.0 

 

P72 

Up needle position adjustment 

0-359 

 

Adjust up needle position, the displayed value will change with the 
position of the handwheel, press "S" key to save the current 
position (value) as up needle position. 

P73 

Down needle position 

adjustment 

0-359 

 

Adjust down needle position, the displayed value will change with 
the position of the handwheel, press "S" key to save the current 
position (value) as down needle position. 

P74 

Tacking stitch length 

compensation 

-50~50 

 

P75 

Back-tacking stitch length 

compensation 

-50~50 

 

P77 

Opportunity point of 
back-tacking for end 
back-tacking in high speed in 
free sewing mode 

0-350 

130 

 

P78 

The start angle of thread 
clamping 

5-359 

100 

 

P79 

The stop angle of thread 
clamping 

5-359 

270 

 

Summary of Contents for GT-288E

Page 1: ...connectors on the control box or motor 2 Threading needle 3 Raising the machine head 4 Repairing or doing any mechanical adjustment 5 Machines idling 14 Repairs and high level maintenance work should only be carried out by electronic technicians with appropriate training 15 All the spare parts for repair must be provided or approved by the manufacturer 16 Don t use any objects or force to hit or r...

Page 2: ...ng press set to constant stitch sewing mode Consecutive Reverse Sewing Multi segment Sewing If click set to consecutive reverse sewing mode If long press set to multi segment sewing mode switch to four segment sewing seven segment sewing eight segment sewing and fifteen segment sewing in sequence Presser Foot Lifting Setting Auto Function If click switch function off automatic presser foot lifting...

Page 3: ...tern freedom sewing mode selection interface n1 press to adjust n1 n9 1 2 4 Pattern Freedom Sewing Editing On the main interface long press to shift pattern freedom sewing mode editing interface n 01 01 short press the 4th column to adjust n01 n09 short press adjust 01 10 segment number adjust to setting pattern number segment number short press S key to confirm shift to corresponding pattern numb...

Page 4: ...for soft start 1 15 2 P09 Automatic constant stitch sewing speed rpm 200 4000 3700 Speed adjustment for automatic constant stitch sewing P10 Automatic end back tacking sewing after constant stitch sewing ON OFF ON ON After executing the constant stitch sewing the back tacking sewing will be executed automatically In any sewing mode mending stitch function cannot be used OFF After executing the las...

Page 5: ...l for thread trimming 30 500 130 P25 End back tacking compensation 3 0 200 158 Stitch compensation for end back tacking C section 0 200 action gradually delay The large value the shorter of the C section first stitch P26 End back tacking compensation 4 0 200 158 Stitch compensation for end back tacking D section 0 200 action gradually delay the large value the longer of the C section last stitch a...

Page 6: ...edom sewing mode selection 0 1 0 0 Controlled by foot pedal can be stopped and started at will 1 Touch the foot pedal to automatically execute a pattern sewing action P46 Motor stop with a reverse angle after trimming function ON OFF OFF P47 Adjust the reverse angle when motor stop after trimming 10 50 40 Start from the upper needle position and adjust the angle of the needle lift in reverse opera...

Page 7: ...F Start and stop testing with all functions P63 Testing C ON OFF OFF Start and stop testing without all function P64 Test run time 1 250 30 P65 Test stop time 1 250 10 P66 Machine protection switch selection 0 1 1 0 Disable 1 Testing zero signal P69 Pattern freedom sewing speed 100 3000 2000 P70 Type P71 Correction stitches distance of manual button A 0 5 0 0 P72 Up needle position adjustment 0 35...

Page 8: ...ange it will result the control box and motor abnormal or damaged P93 The starting time of the half back pedaling function ms 10 900 100 P95 Periodic signal of the presser foot first output action 10 100 100 P99 Starting tight seam stitch length 0 5 0 0 5 P100 Direction of starting tight seam 0 1 0 P101 The start angle of thread tension releasing 1 359 30 Thread tension releasing start angle defin...

Page 9: ... thrum 0 100 80 P118 Function selection of manual back tacking button in pattern mode 0 1 0 P129 Back tacking step motor zero point correction 500 500 0 P131 Normal stitch length 0 5 0 3 0 P132 Manual close stitches distance 0 5 0 2 0 P138 Foot lifting release buffer duty cycle 0 100 10 P139 Foot lifting release buffer delay time ms 0 200 35 P143 Tight seam mode selection 0 3 0 0 OFF 1 Starting ti...

Page 10: ...istance of manual button D 0 5 0 0 P174 Manual Switch B 0 6 3 0 OFF 1 half stitch 2 one stitch 3 continuous half stitch 4 continuous one stitch 5 Back tacking when machine stop or pause 6 Tight seam function P175 Manual Switch C 0 6 0 0 OFF 1 half stitch 2 one stitch 3 continuous half stitch 4 continuous one stitch 5 Back tacking when machine stop or pause 6 Tight seam function P176 Manual Switch ...

Page 11: ...Whether the grid voltage is higher than AC260V 2 If it is self generated power supply please reduce the generator power 3 If it still does not work normally please replace the control box and notify the after sales service E02 Low voltage 1 Whether to connect to low voltage 2 Reset 3 If it still does not work normally please replace the control box and notify the after sales service E03 CPU commun...

Page 12: ...If there is no alarm please step back halfway to raise the presser foot If it alarms please replace the presser foot solenoid 4 Step on the front pedal to let the sewing machine perform thread clamping back tacking and half anti side trample If there is no alarm please back step pedal to trim If it alarms please replace the thread trimming solenoid E09 E11 The positioning signal of main shaft moto...

Page 13: ...g stepper motor is stuck If it is stuck remove the mechanical failure of the machine first If it is normal check whether the encoder connector of back tacking stepper motor is loose or fall off and restart the system after returning it to normal 2 Check whether the grating is installed correctly whether the grating screws are fastened and whether the grating is in the center of the encoder 3 Check...

Page 14: ...he system after restoration 4 If it still does not work normally please replace the control box or back tacking stepper motor and notify the after sales service E87 Back tacking stepper motor locked rotor 1 Turn off the system power and observe whether back tacking stepper motor is stuck If it is stuck remove the mechanical failure of the machine first If it is normal check whether the power cord ...

Page 15: ...1 Pull thread air valve 1 24V 4 2 Hook thread air valve 2 24V 5 3 Suction air valve 3 24V 6 ...

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