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The reason why the Universal Hydraulic Press function can’t go down and up

- 08/06/2022 -

1) The oil pump pressure is low. When the slider runs downward, the downward end has been opened. With the weight of the slider itself, the slider moves downward, but when returning, the slider cannot be raised due to the low pressure of the oil pump.

2) When there is a problem with other solenoid valves or components connected to the system, the slider cannot return because it cannot form an effective return pressure.

4) When the charging valve cannot be opened, the slider cannot return, but at this time, the system will have a good pressure, which is easy to determine.