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A Brief Analysis Of The Fault Treatment Method Of Electric Chain Hoist(continuation)
- Jun 08, 2018 -

6, the motor makes sound, but it does not rotate.


Solution: check the motor phase is correct - repair and do the insulation action.


7. The emergency switch is pressed.


Solution: confirm the reason why the emergency switch is pressed.


8. The contactor not good,


Solution: manual operation of the gourd, if the ring chain electric hoist normal action, the control coil or wire has a bad contact - find out the bad contact position and repair it; if the manual way to operate the electric chain hoist is still unable to operate, it is necessary to check the main power is normal, if the main power has no title, it is contact. Poor contact, unable to output normally, need to replace contactor.


9, the coil short circuit of the contactor


Solution: replace the contactor


Zhejiang KAIDAO Hoisting Machinery Co., Ltd. is a quality assurance system for lifting machinery design, R & D, manufacturing, sales and service. The company's main products are made of various large machinery processing equipment and reliable production processes, perfect inspection and testing methods, and strict quality assurance. The main products of the company are electric chain hoist,electric wire rope hoist,single girder overhead crane and double girder overhead crane, Road and bridge engineering equipment and all kinds of non standard lifting equipment, for metallurgical, electric power, machinery, mine, port, petrochemical lamp industry supporting services, products are sold at home and abroad.