7troubleshooting -1 – Yaskawa Matrix Converter User Manual
Page 17
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Zero-Servo Function ...................................................................................................6-123
Digital Operator Functions........................................................................6-125
Setting Digital Operator Functions..............................................................................6-125
Copying Parameters ...................................................................................................6-128
Writing Parameters from the Digital Operator.............................................................6-133
Setting a Password.....................................................................................................6-133
Displaying User-Set Parameters Only ........................................................................6-134
Options .....................................................................................................6-135
Performing Speed Control with a PG Encoder ...........................................................6-135
Using Digital Output Cards .........................................................................................6-138
Using an Analog Reference Card ...............................................................................6-141
Using a Digital Speed Reference Card.......................................................................6-142
Elevator and Hoist Type Applications .......................................................6-146
Brake On/Off Sequence..............................................................................................6-146
Auto-Tuning ................................................................................................................6-147
Momentary Power Loss Ridethrough .........................................................................6-148
Torque Limit ................................................................................................................6-148
I/O Phase Loss Protection and Overtorque Detection................................................6-148
External Baseblock Signal ..........................................................................................6-148
Acceleration/Deceleration Time ..................................................................................6-148
Output Side Magnetic Contactor.................................................................................6-148
Control Related Adjustments ......................................................................................6-149
Reducing Shock at Start/Stop and during Acceleration/Deceleration .........................6-151
Confirming Start Up Current and Reducing Carrier Frequency ..................................6-154
Maintenance Timer Display Function .......................................................6-155
Settings Required to Enable the Maintenance Timer Display Function......................6-155
Settings Required After Replacement of Cooling Fan or Capacitors on PCB Board..6-156
7
Troubleshooting ..................................................................... 7-1
Protective and Diagnostic Functions ............................................................7-2
Fault Detection................................................................................................................7-2
Alarm Detection ............................................................................................................7-11
Operation Errors ...........................................................................................................7-15
Errors During Auto-Tuning...........................................................................................7-16
Errors when Using the Digital Operator Copy Function................................................7-17
Troubleshooting ..........................................................................................7-18
Trouble Setting Parameters ..........................................................................................7-18
If the Motor Does Not Operate......................................................................................7-19
Direction of the Motor Rotation is Reversed .................................................................7-21
Motor Does Not Produce Torque or Acceleration is Slow.............................................7-21
Motor Operates Faster than the Frequency Reference ................................................7-21
Slip Compensation Function has Low Speed Precision ...............................................7-22
Low Speed Control Accuracy at High-Speed Rotation in Open Loop Vector Control
Method..........................................................................................................................7-22
Insufficient torque during Rotational Auto-Tuning in Flux Loop Vector .........................7-22