YASKAWA A1000 Series Technical Manual

10 YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual
6.10 Troubleshooting without Fault Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .336
Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .336
Cannot Change Parameter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .336
Motor Does Not Rotate Properly after Pressing RUN Button or after
Entering External Run Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .337
Motor is Too Hot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .338
Drive Does Not Allow Selection the Desired Auto-Tuning Mode . . . . . . . . . . . . . . . .338
oPE02 Error Occurs When Lowering the Motor Rated Current Setting . . . . . . . . . . .338
Motor Stalls during Acceleration or Acceleration Time is Too Long . . . . . . . . . . . . . .338
Drive Frequency Reference Differs from the Controller Frequency
Reference Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .339
Excessive Motor Oscillation and Erratic Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . .339
Deceleration Takes Longer Than Expected with Dynamic Braking Enabled . . . . . . .339
Load Falls When Brake is Applied (Hoist-Type Applications) . . . . . . . . . . . . . . . . . . .339
Noise From Drive or Output Lines When the Drive is Powered On . . . . . . . . . . . . . .340
Earth Leakage Circuit Breaker (ELCB) Trips During Run . . . . . . . . . . . . . . . . . . . . . .340
Connected Machinery Vibrates When Motor Rotates . . . . . . . . . . . . . . . . . . . . . . . .340
PID Output Fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .340
Insufficient Starting Torque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .340
Motor Rotates After the Drive Output is Shut Off (Motor Rotates During
DC Injection Braking) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .341
Output Frequency is not as High as Frequency Reference . . . . . . . . . . . . . . . . . . . .341
Buzzing Sound from Motor at 2 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .341
Unstable Motor Speed when Using PM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .341
Motor Does Not Restart after Power Loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .341
7. PERIODIC INSPECTION & MAINTENANCE .................................................... 343
7.1 Section Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .344
7.2 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .347
Recommended Daily Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .347
Recommended Periodic Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .348
7.3 Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .349
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .349
7.4 Cooling Fan and Circulation Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .351
Number of Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .351
Cooling Fan Component Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .352
Cooling Fan Replacement: 2A0021 to 2A0081 and 4A0007 to 4A0044 . . . . . . . . . .353
Cooling Fan Replacement: 2A0110 and 2A0138, 4A0058 and 4A0072 . . . . . . . . . .355
Cooling Fan Replacement: 4A0088 and 4A0103 . . . . . . . . . . . . . . . . . . . . . . . . . . . .357
Cooling Fan Replacement: 2A0169 to 2A0415, 4A0139 to 4A0362 . . . . . . . . . . . . .359
Cooling Fan Replacement: 4A0414 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .363
Cooling Fan Replacement: 4A0515 and 4A0675 . . . . . . . . . . . . . . . . . . . . . . . . . . . .365
7.5 Drive Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .369
Serviceable Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .369
Terminal Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .369
Replacing the Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .370
8. PERIPHERAL DEVICES & OPTIONS .............................................................. 373
8.1 Section Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .374
8.2 Drive Options and Peripheral Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .375
8.3 Connecting Peripheral Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .376
8.4 Option Card Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .377
Installing Option Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .377
Installation Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .377

YASKAWA A1000 Series Specifications

General

Series	A1000
Type	AC Drive
Altitude	Up to 1000m without derating
Output Frequency	0-400 Hz
Control Method	V/f Control
Overload Capacity	150% for 60 seconds
Communication Options	Modbus, DeviceNet, Profibus, Ethernet/IP
Ambient Temperature	-10 to 50°C
Storage Temperature	-20 to 60°C
Humidity	5% to 95% (non-condensing)
Enclosure Rating	IP20
Horsepower	0.5 to 1000 HP
Power Range	0.4 - 630 kW (varies by voltage and model)
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheat
Cooling Method	Fan Cooled
Safety	Safe Torque Off (STO)