7.4 Operation ...................................132
7.4.1 Operating Steps ............................... 132
7.5 Communication Protocol (MODBUS-RTU) ................132
7.5.1 Supported function code ..........................132
7.5.2 Exception code................................ 132
7.5.3 Baudrate ................................... 132
7.6 Parameter code list <Common area> ...................133
7.6.1 Troubleshooting RS485 Communications ................141
7.7 ASCII Code List................................142
8 Troubleshooting & Maintenance ..........................144
8.1 Protective Functions .............................144
8.2 Fault Remedy .................................146
8.3 Precautions forMaintenance and Inspection................148
8.4 Check Points .................................148
8.5 Replacement Parts ..............................148
8.6 Troubleshooting ...............................149
8.6.1 Motor Overheats ..............................150
8.6.2 Motor Speed is not equal to the Command Frequency .........151
8.6.3 Motor Does Not Run Smoothly ......................152
8.6.4 Motor Does Not Run ............................153
8.7 How to Check Power Components.....................154
8.8 Daily and Periodic Inspection Items ....................155
9 Options .........................................158
9.1 Short Circuit Fuse / Braking Resistor ...................158
10 EU DECLARATION OF CONFORMITY .....................160
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TABLE OF CONTENTS