All contacts of the driver controller should be changed to no-load on-off to ensure further extension of the actual service life of the contacts. If its control handle is in the zero position, then the control circuit will not pulse, the host will not run, only when the control handle is in the working position can be connected with the main box power supply, the host will operate normally and orderly, so , to prevent the driver from operating incorrectly. After the driver controller was modified, its position remained the same, still in the previous position. After transformation, its size has been reduced by a third, providing drivers with ample operating space.
