Periodic inspection & maintenance, A. specifications – Yaskawa AC Drive Z1000 Bypass Technical Manual User Manual
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If the Drive Still has Power After a Fault Occurs ............................................................................. 251
Viewing Fault Trace Data After Fault .............................................................................................. 251
Fault Reset Methods ....................................................................................................................... 252
Common Problems.......................................................................................................................... 253
Cannot Change Parameter Settings ............................................................................................... 253
Motor Does Not Rotate Properly after Pressing AUTO Button or after Entering External Run
Motor is Too Hot.............................................................................................................................. 255
oPE02 Error Occurs When Lowering the Motor Rated Current Setting .......................................... 256
Motor Stalls during Acceleration or Acceleration Time is Too Long................................................ 256
Drive Frequency Reference Differs from the Controller Frequency Reference Command ............. 256
Excessive Motor Oscillation and Erratic Rotation............................................................................ 257
Deceleration Takes Longer Than Expected .................................................................................... 257
Noise From Drive or Motor Cables When the Drive is Powered On ............................................... 257
Ground Fault Circuit Interrupter (GFCI) Trips During Run .............................................................. 257
Connected Machinery Vibrates When Motor Rotates ..................................................................... 257
PI Output Fault ................................................................................................................................ 258
Motor Rotates after the Drive Output is Shut Off (Motor Rotates During DC Injection Braking) ..... 258
Output Frequency is Not as High as Frequency Reference............................................................ 258
Sound from Motor............................................................................................................................ 258
Motor Does Not Restart after Power Loss....................................................................................... 259
7. PERIODIC INSPECTION & MAINTENANCE ...................................................... 261
7.1 Section Safety....................................................................................................................262
7.2 Inspection ..........................................................................................................................264
Recommended Daily Inspection...................................................................................................... 264
Recommended Periodic Inspection................................................................................................. 265
Number of Cooling Fans ................................................................................................................. 271
Drive Cooling Fan Component Names............................................................................................ 272
Cooling Fan Replacement: 2A0011 to 2A0059, 4A0005 to 4A0040, and 4A0052ooB ................. 273
Cooling Fan Replacement: 2A0075 to 2A0114, 4A0052ooA, and 4A0065 to 4A0096 ................. 277
Cooling Fan Replacement: 4A0124 ................................................................................................ 282
Cooling Fan Replacement: 2A0143 to 2A0273, 4A0156 to 4A0240 ............................................... 288
Cooling Fan Replacement: 2A0343 and 2A0396 ............................................................................ 290
Cooling Fan Replacement: 4A0302 ................................................................................................ 292
Three-Phase 208 Vac Models Z1B1D002 to D046 ......................................................................... 296
Three-Phase 208 Vac Models Z1B1D059 to D273 ......................................................................... 297
Three-Phase 480 Vac Models Z1B1B001 to B034 ......................................................................... 298
Three-Phase 480 Vac Models Z1B1B040 to B302 ......................................................................... 299
A.2 Drive Specifications ..........................................................................................................300
A.3 Drive Watt Loss Data ........................................................................................................302
Table of Contents
YASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual
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