V
Digital Operator Functions .......................................................................6-138
Setting Digital Operator Functions ............................................................................. 6-138
Copying Parameters .................................................................................................. 6-140
Prohibiting Overwriting of Parameters ....................................................................... 6-144
Setting a Password ....................................................................................................6-144
Displaying User-set Parameters Only ........................................................................6-145
Option Cards ...........................................................................................6-146
Using PG Feedback Option Cards ............................................................................6-146
Analog Reference Cards ........................................................................................... 6-149
Digital Reference Cards .............................................................................................6-149
7 Troubleshooting ..................................................................... 7-1
Protective and Diagnostic Functions ...........................................................7-2
Fault Detection ...............................................................................................................7-2
Alarm Detection ........................................................................................................... 7-10
Operator Programming Errors .....................................................................................7-14
Auto-tuning Fault ........................................................................................................7-17
Digital Operator Copy Function Faults ......................................................................... 7-18
Troubleshooting .........................................................................................7-20
If A Parameter Cannot Be Set ..................................................................................... 7-20
If the Motor Does Not Operate Properly ......................................................................7-21
If the Direction of the Motor Rotation is Reversed .......................................................7-22
If the Motor Stalls or Acceleration is Slow ...................................................................7-22
If the Motor Operates at Higher Speed than the Frequency Reference ......................7-23
If There is Low Speed Control Accuracy Above Base Speed in Open Loop Vector Control
Mode ............................................................................................................................7-23
If Motor Deceleration is Slow ....................................................................................... 7-23
If the Motor Overheats .................................................................................................7-24
If Peripheral Devices Like PLCs or Others are Influenced by the Starting or Running Invert-
er ..................................................................................................................................7-24
If the Earth Leakage Breaker Operates When the Inverter is Running .......................7-24
If There is Mechanical Oscillation ................................................................................7-25
If the Motor Rotates Even When Inverter Output is Stopped .......................................7-26
If Output Frequency Does Not Rise to Frequency Reference .....................................7-26
8 Maintenance and Inspection.................................................. 8-1
Maintenance and Inspection ........................................................................8-2
Periodic Inspection ........................................................................................................8-2
Periodic Maintenance of Parts .......................................................................................8-3
Cooling Fan Replacement .............................................................................................8-4
Removing and Mounting the Terminal Card ..................................................................8-6
9 Specifications ......................................................................... 9-1
Standard Inverter Specifications ..................................................................9-2
Specifications by Model .................................................................................................9-2
Common Specifications .................................................................................................9-4
10 Appendix ............................................................................... 10-1
Inverter Application Precautions ................................................................10-2
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