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YASKAWA A1000 Technical Manual

YASKAWA A1000
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YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual 9
U1: Operation Status Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
U2: Fault Trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
U3: Fault History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
U4: Maintenance Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
U5: PID Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
U6: Control Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
U8: DriveWorksEZ Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
6. TROUBLESHOOTING ........................................................................................... 321
6.1 Section Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
6.2 Motor Performance Fine-Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Fine-Tuning V/f Control and V/f Control with PG . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Fine-Tuning Open Loop Vector Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Fine-Tuning Closed Loop Vector Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Fine-Tuning Open Loop Vector Control for PM Motors . . . . . . . . . . . . . . . . . . . . . . . 325
Fine-Tuning Advanced Open Loop Vector Control for PM Mot
ors . . . . . . . . . . . . . . 326
Fine-Tuning Closed Loop Vector Control for PM Motors . . . . . . . . . . . . . . . . . . . . . . 326
Parameters to Minimize Motor Hunting and Oscillation . . . . . . . . . . . . . . . . . . . . . . . 327
6.3 Drive Alarms, Faults, and Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328
Types of Alarms, Faults, and Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328
Alarm and Error Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
6.4 Fault Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
Fault Displays, Causes, and Possible Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
6.5 Alarm Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348
Alarm Codes, Causes, and Possible Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348
6.6 Operator Programming Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
oPE Codes, Causes, and Possible Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
Causes and Possible Solutions for a Blank and Unresponsive Digital Operator . . . . 357
6.7 Auto-Tuning Fault Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358
Auto-Tuning Codes, Causes, and Possible Solutions . . . . . . . . . . . . . . . . . . . . . . . . 358
6.8 Copy Function Related Displays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362
Tasks, Errors, and Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362
6.9 Diagnosing and Resetting Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
Fault Occurs Simultaneously with Power Loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
If the Drive Still has Power After a Fault Occurs
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
Viewing Fault Trace Data After Fault . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
Fault Reset Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365
6.10 Troubleshooting without Fault Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
Cannot Change Parameter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
Motor Does Not Rotate Properly after Pressing RUN Button or after Entering
External Run Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
Motor is Too Hot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368
Drive Does Not Allow Selection the Desired Auto-Tuning Mo
de . . . . . . . . . . . . . . . . 368
oPE02 Error Occurs When Lowering the Motor Rated Current Setting . . . . . . . . . . . 368
Motor Stalls during Acceleration or Acceleration Time is Too Long . . . . . . . . . . . . . 369
Drive Frequency Reference Differs from t
he Controller Frequency Reference
Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
Excessive Motor Oscillation and Erratic Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
Deceleration Takes Longer Than Expected with Dynamic Braking Enabled . . . . . . . 370
Load Falls When Brake is Applied (Hoist-Type App
lications) . . . . . . . . . . . . . . . . . . 370
Noise From Drive or Motor Cables When the Drive is Powered On . . . . . . . . . . . . . 370
Equipment for Residual Current Monitoring/Detection (RCM/RCD) Trips
During Run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
Connected Machinery Vibrates When Motor Rotates . . . . . . . . . . . . . . . . . . . . . . . . 370

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YASKAWA A1000 Specifications

General IconGeneral
TypeAC Drive
SeriesA1000
Input Voltage200-240V, 380-480V
Frequency Range0-400 Hz
Horsepower Range0.5 to 1000 HP
Power Range0.4 to 630 kW
Control MethodV/f Control
Overload Capacity150% for 60 seconds
BrakingDynamic Braking
CommunicationModbus
SafetySafe Torque Off (STO)
Protection FeaturesOvercurrent, Overvoltage, Undervoltage, Overheat
Operating Temperature-10 to +50°C
Storage Temperature-20 to 60°C
Humidity5 to 95% RH (non-condensing)
EnclosureIP20

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