Trouble Removal - Jack A4 Manual

trouble removal

Error Code Description
Err-01 Hardware
overcurrent
Err-02 Software
overcurrent
Err-03 system under
voltage
Err-04 Over-voltage when
the machine is
off
Err-05 Over-voltage in
operation
Err-06 Magnet circuit
fault
Err-07 Power measuring
detection
circuit fault
Err-08 Sewing motor
blocked
1、Power off, restart 2、Under normal condition, check voltage, low
voltage is 176 v, high voltage is 264 v
whether mechanical parts is stuck 4、Check the motor plug 5、Factory
reset、test the motor angle 6、Replace the electronic control box
1、Check whether the plug, pin is fall off2、Unplug the electromagnet
plug to see if is still in an error 3、Replace the electromagnet4、
Replace the electric control
1、factory reset2、Replace the electric control
1、Turn the handwheel to see whether mechanical parts is stuck 2、Check
the motor plug
3、Factory reset、test the motor angle 4、Replace the motor 5、Replace
the encoder6、Replace the electric control
Solution
3、Turn the handwheel to see