typical GT856D - Error Code and Processing Method

33
o 2
Test Feed motor. press “N4+”, motor move forward, press “N4-”, motor move
backward.
o 3
Test control panel display element. Press pedal to trigger. Indicator is light on
one by one. Then Digit is show one by one.
o 4 Test Thread Trimmer. press “N4+” or “N4-”, the Trimmer do a action.
o 5 Test Thread Nipper. press “N4+” or “N4-”, the Nipper do a action.
o 6
Test Thread Wiper. press “N4+” or “N4-”, the Wiper do a action.
o 7
Test Foot Lifter. press “N4+” or “N4-”, the Foot Lifter do a action.
o 8
Test Arm Shaft Motor. press “N4+” or “N4-”, the motor turn 40 rounds.
7 Error Code and Processing Method
Error code list
Error
code
Description Failure cause and the processing method
Er01 Machine head tilt
Machine head tilt; Safe switch connecting line not
connected or poor contact.
Er02
Abnormal arm shaft
motor speed
Check the arm shaft motor power line and the encoder
wiring
Er03 Abnormal encoder signal Check the arm shaft motor encoder wiring
Er04
Arm shaft motor
overload
Check if the power supply voltage is low
Er06
Not pass the mainboard
hardware self-test
Main board failure.Contact vendor.
Er07
Not pass the mainboard
software self-test
Main board failure.Contact vendor.
Er10
Servo motor driver
alarming
Check the servo motor driver and wiring
Er11
Arm shaft motor return
home failed
Check the servo motor driver and wiring
Er15
Abnormal pedal switch
signal
Pedal switch failure.Contact vendor.
Er19 Config memory failure Main board failure.Contact vendor.
Er21
Zigzag origin search
failure
The zigzag origin sensor’s wiring not connect or poor
connect. Sensor failure or poor induction
Er22
Feed origin search
failure
The feed origin sensor’s wiring not connect or poor
connect. Sensor failure or poor induction