Motor Data for Auto-Tuning........................................................................................................................ 213
Precision Settings for Auto-Tuning............................................................................................................... 213
No-Load Operation................................................................................................................................... 213
Operating with the Load Connected............................................................................................................. 214
5.12 U: Monitor Parameters.......................................................................................................................... 215
U1: Status Monitors.................................................................................................................................. 215
U2: Fault Trace ....................................................................................................................................... 216
U3: Fault History...................................................................................................................................... 217
U4: Maintenance Monitors ......................................................................................................................... 217
U5: Application Monitors............................................................................................................................ 218
U6: Control Monitors................................................................................................................................. 218
U8: DriveWorksEZ Monitors ....................................................................................................................... 219
6. TROUBLESHOOTING ............................................................................................................... 221
6.1 Section Safety....................................................................................................................................... 222
6.2 Motor Performance Fine Tuning ........................................................................................................... 224
V/f Motor Control Method Tuning ................................................................................................................ 224
Open Loop Vector (OLV) Motor Control Method Tuning .................................................................................. 224
Motor Hunting and Oscillation Control Parameters .......................................................................................... 225
6.3 Drive Alarms, Faults, and Errors........................................................................................................... 226
Types of Alarms, Faults, and Errors ............................................................................................................. 226
Alarm and Error Displays........................................................................................................................... 226
6.4 Fault Detection ..................................................................................................................................... 229
Fault Displays, Causes, and Possible Solutions ............................................................................................. 229
6.5 Alarm Detection .................................................................................................................................... 238
Alarm Codes, Causes, and Possible Solutions ............................................................................................... 238
6.6 Operator Programming Errors.............................................................................................................. 243
oPE Codes, Causes, and Possible Solutions ................................................................................................. 243
6.7 Auto-Tuning Fault Detection................................................................................................................. 245
Auto-Tuning Codes, Causes, and Possible Solutions ...................................................................................... 245
6.8 Diagnosing and Resetting Faults.......................................................................................................... 247
Fault Occurs Simultaneously with Power Loss ............................................................................................... 247
If the drive still has power after a fault occurs................................................................................................. 247
Viewing Fault Trace Data after Fault ........................................................................................................... 247
Fault Reset Methods ................................................................................................................................ 247
6.9 Troubleshooting Without Fault Display ................................................................................................ 248
Cannot Change Parameter Settings............................................................................................................. 248
Motor Does Not Rotate Properly after Pressing RUN Button or After Entering External Run Command...................... 248
7. PERIODIC INSPECTION & MAINTENANCE ........................................................................... 255
7.1 Section Safety....................................................................................................................................... 256
7.2 Inspection............................................................................................................................................. 258
Recommended Daily Inspection.................................................................................................................. 258
Recommended Periodic Inspection.............................................................................................................. 258
7.3 Periodic Maintenance ........................................................................................................................... 260
Replacement Parts................................................................................................................................... 260
7.4 Drive Cooling Fans ............................................................................................................................... 261
Cooling Fan Replacement ......................................................................................................................... 261
7.5 Drive Replacement ............................................................................................................................... 263
Serviceable Parts..................................................................................................................................... 263
Terminal Board Overview .......................................................................................................................... 263
Replacing the Drive .................................................................................................................................. 263
Details on Terminal Board (TB) or Control Board (CNT) Replacement ................................................................ 265
8. PERIPHERAL DEVICES & OPTIONS ...................................................................................... 267
8.1 Section Safety....................................................................................................................................... 268
8.2 Peripheral Devices................................................................................................................................ 269
8.3 Connecting Peripheral Devices ............................................................................................................ 270
8.4 Installing Peripheral Devices ................................................................................................................ 271
Installing a Molded Case Circuit Breaker (MCCB) ........................................................................................... 271
Installing a Leakage Breaker ...................................................................................................................... 271
Installing a Magnetic Contactor ................................................................................................................... 271
Connecting an AC or DC Reactor................................................................................................................ 272
Connecting a Surge Protector..................................................................................................................... 272
Table of Contents
6
YASKAWA ELECTRIC SIEP C710606 18A YASKAWA AC Drive – V1000 Technical Manual (Preliminary)
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