(1) The die setting switch is locked to the horizontal position to lock the oil circuit: the knife mode high setting switch is turned to the straight direction
(2) Motor steering error: Replace the two phase pairs of the motor
(3) The working switch is in poor contact with the wire head off: Check the line to connect the wire head
(4) Solenoid valve coil burned: Replace the coil or the entire solenoid valve
(5) Solenoid valve spool stuck: cleaning spool
(6) Stroke adjustment handle loose: reset the die
