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