◆ The equipment must have a good ground, the mainframe of the testing machine, the control board and the computer shell must be a common ground between the test machine, in the insertion and removal of the test machine connecting lines, to be carried out in the case of power failure.

◆ In the event of failure, if necessary to open the control system shell, you must first turn off the main power switch (non-professionals do not open the upper cover, there is a high-voltage danger).

◆ During the test, when there is a malfunction (when the electrical control fails), immediately turn off the power, dial off the power plug, and then check, and only after the malfunction is eliminated can the test be conducted again. Do not get close to or touch the specimen, so as not to fracture the specimen flying out of injury or burns, the operator is not allowed to leave the scene when the equipment is turned on, after the test, the operator should turn off the main power switch before leaving the testing machine.  test machine in the use of the process of encountering problems should be timely contact with the company, do not casually modify the contents of the software, so as not to be able to carry out normal tests or reports.