(1): Mechanical level and parallelism are out of tolerance. Check with a level ruler. Adjust parallelism and level. (For large models, small models have little effect)
(2): The gap between the pressure plate and the mold adjustment nut is too small. Measure with a feeler gauge. Adjust the gap between the pressure plate and the nut, and the gap between the mold adjustment nut and the pressure plate (gap Less than or equal to 0.05 mm).
(3): Burned nut: Check whether the nut can rotate and heat up and whether there is iron powder coming out. Replace the nut.
(4): Adjust the upper and lower support plates. Remove the support plate locking nut and check. Adjust the adjustment nut.
(5): The I/O board is broken. Check whether there is a signal at the output point on the computer page. Repair the electronic board.
(6): The mold adjustment valve core is stuck. Remove the valve and check. Clean the valve.
(7): The mold adjustment motor is broken: Check the oil motor. Replace or repair the oil motor.