Control electric chain hoist malfunction how do?

Electric chain hoist can be realized in the car comes with beams up and down and move around, particularly widespread field of use, greatly improving the work efficiency, but in the course inevitably encounter problems, such as malfunctioning of the problem is a recent customer's one,manual block the following summary of experience for your operating electric chain hoist malfunction how to do?

1, due to poor working conditions, causing damage or leakage controller buttons such failures. Focus on routine maintenance, can effectively avoid the problem.
2, resulting in frequent and long-term work limit switch malfunction. No guarantee of security, therefore, basic safety precautions must be prepared to put in place. Shall not be removed or repaired privately.
3, the power supply voltage is too low. Solution:wire rope winch measured voltage value is less than the scale of more than 10% of the supply voltage.
4, check whether the power of the original phase pick the wrong line, such as a wrong phase protection will lead to start and can not be manipulated. Workaround: two phase power line swapped.
5, the control chain hoist circuit fuse burned. Solution: Check and replace fuse accurate
6, the power fuse or no fuse breaker tripped. Solution: Check whether the current demand, replace the appropriate fuse or no fuse switch restarts.
7, the power cord or wire breakage or control circuit connected. Workaround: poor contact wire breakage and repair or replacement.
8, electric  wire rope hoist  motor sound, but did not rotate. Solution: Check the motor phases is accurate - Repair and well insulated action.
9, the emergency switch is pressed. Solution: Make sure the emergency switch is pressed causes.
10, contactor coil circuit. Solution: Replace the contactor
11, the contact is faulty. Workaround: manually operated hoist, electric chain hoist if normal operation, the control coil or wire represents a poor contact, poor position to identify and fix it.
12, as the contactor type selected inappropriate or poor quality, causing the contactor burn adhesions. Does not disconnect and reconnect. Thus, the chain hoist contactor models to choose according to the regulations, in addition to be sure to use quality assurance regular factory.