Rapid door motor common abnormal failure cause analysis

by:Hongfa     2020-07-16
Motor is the power of fast door, guarantee if motor appear problem, will need professional personnel to repair, motor may be replaced. Below, hongfa fast door manufacturer to share with you, common causes of abnormal fast door motor. No display fault a: motor on electricity. The cause of the problem: switching power supply of the machine damage or damage of soft charging circuit, lead to rapid door motor of dc no dc lead. Fault 2: motor show over voltage or under voltage. The cause of the problem: the fault is usually the input phase, aging and circuit boards to be affected with damp be affected with damp. Find out the voltage detection circuit, replace the damaged devices, can solve the fault. Fault 3: motor no-load output voltage is normal, after the loading of overload or over-current. The cause of the problem: a driving circuit parameter Settings, or aging, damage caused by the module. Fault 4: motor no-load output voltage is normal, after the loading of overload or over-current. The cause of the problem: rapid door motor driving circuit parameter Settings or aging, damage of module. Five: fault damage motor inverter module. The cause of the problem: fast door motor, cable damage and drive circuit fault. Good repair drive circuit, waveform, began to replace the module. Fault 6: motor damage of rectifier module. The cause of the problem: fast shutter motor power grid voltage or short circuit occurs. Rapid door manufacturer to remind everybody, the occurrence of any fault has certain reasons, rapid rolling door, once found abnormal, first find out the reason, to deal with, so can get twice the result with half the effort!
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