MD280/MD280N User Manual                                            Safety and Precautions 
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z  If the parameter identification is required, pay attention to the 
danger of injury arising from the rotating motor.  Otherwise 
accident may occur. 
z  Do not change the factory settings at will. Otherwise it may 
damage the equipment. 
1.1.6 During the operation: 
Danger 
z  Do not touch the fan or discharge resistor to sense the 
temperature.    Otherwise, you may get burnt. 
z  Detection of signals during the operation shall only be 
conducted by qualified technician.    Otherwise, personal injury or 
equipment damage may be caused. 
 
Caution 
z  During the operation of the inverter, keep items from falling 
into the equipment.    Otherwise, it may damage the equipment. 
z  Do not start and shut down the inverter by connecting and 
disconnecting the contactor.  Otherwise, it may damage the 
equipment. 
1.1.7 During Repair 
Danger 
z  Do not repair and maintain the equipment with power 
connection.    Otherwise there will be danger of electric shock. 
z  Be sure to conduct repair and maintenance after the charge 
LED indictor of the inverter is OFF.  Otherwise, the residual 
charge on the capacitor may cause personal injury. 
z  The inverter shall be repaired and maintained only by the 
qualified person who has received professional training.  
Otherwise, it may cause personal injury or equipment damage. 
z  Carry out parameter setting after replacing the inverter, all the 
plug-ins must be plug and play when power outage. 
1.2 Precautions 
1.2.1 Motor Insulation Inspection 
 
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