2. Check if the power line connected to the test machine is connected properly;
3. Check if the emergency stop switch is in the tightened state;
4. Check if the power supply voltage of the access test machine is normal;
5. Check if the insurance on the machine socket is blown. Please remove the spare fuse and install it.
7. Check if the device is still unable to move after 15S (time), because the host needs self-test when it is powered on, it takes about 15S time;
8. Check if the upper and lower limits are at the proper position and have a certain running space;
9. Check if the power supply voltage of the access test machine is normal;
10. Whether the emergency stop button is pressed.