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No. 

Items 

Range 

Default 

Description 

P80 

Trimming engage angle 

0-359 

 

P81 

Presser foot release buffer 
working time (ms) 

0-800 

60 

 

P83 

Stopping strength after 
trimming 

10-100 

20 

 

P84 

Trimming full output 
time (ms) 

10-990 

60 

 

P85 

Periodic signal of trimming 
output (*10%) 

1-10 

 

P86 

Up and down needle position 
distance 

15-345 

180 

Up and down positioning distance angle (1 degree for every 4 
values) 

P87 

Wiping thread return delay 
time 

10-990 

50 

Make sure the wiper returns to its original position 

P88 

Stopover distance 

10-100 

30 

 

P89 

AC overvoltage setting 

500-1023 

880 

 

P90 

Soft start first stitch speed 

200-1500 

400 

 

P91 

Soft start second stitch speed 

200-1500 

1000 

 

P92 

Correct the electrical angle of 
motor 

 

160 

Reading the initial Angle of encoder, the factory default was set, 
please do not change the values (parameter value cannot be 
changed manually, random change 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 

 

P101 

The start angle of thread 
tension releasing 

1-359 

30 

Thread tension releasing start angle (defined as 0°under 
calculation) 

P102 

The stop angle of thread 
tension releasing 

1-359 

180 

Thread tension releasing end angle (defined as 0°under calculation, 
must be greater than P101 parameter value) 

P103 

Thread tension releasing 
strength 

1-5 

 

P105 

Pattern freedom sewing mode 
selection 

0-9 

0: OFF 
1-9: Pattern freedom sewing mode 

P107 

Starting tight seam speed 

100-1200 

500 

 

P108 

Starting tight seam stitch 
number 

0-12 

 

P109 

The delay time before thread 
wiping 

5-990 

Interval time before entering thread wiping action after finding the 
upper positioning 

P110 

Trimming back time (ms) 

60-990 

65 

Make sure the thread trimming device returns to its original 

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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