How to Check the phase sequence: Sometimes you will find the platform cannot be start even the power is on. Maybe there is something wrong with the phase sequence. Turn the universal switch to one side, press the start button and then press the control button “up”. The rotating direction of the motor should run in clockwise. If not, exchange any two wires. Turn the universal switch to the other side to check the rotating direction of the other motor. Make sure that rotating directions of the motors are correct.
According to the new China suspended platform industry standard and EN standard, the electric control system should have phase sequence protection device.
It will help the operators to find the problem sooner and more effective.