Yaskawa Z1000U User Manual Page 222
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Cause Possible Solutions
Frequency reference value is too low
or the drive does not accept the value
entered.
Enter a value that is above the minimum output frequency determined by E1-09.
The sequence Start/Stop sequence is
set up incorrectly.
• If the drive is supposed to be set up for a 2-wire sequence, then ensure parameters H1-03 through H1-08 are not
set to 0.
• If the drive is supposed to be set up for a 3-wire sequence, then one of the parameters H1-03 through H1-08 must
be set to 0. Terminal S1 will become the Start, terminal S2 will become the Stop input.
n
Motor Rotates in the Opposite Direction from the Run Command
Cause Possible Solutions
Phase wiring between the drive and motor is incorrect.
• Check the motor wiring.
• Switch two motor cables (U, V, and W) to reverse motor direction.
• Connect drive output terminals U/T1, V/T2, and W/T3 in the right order to match motor
terminals U, V, and W.
• Change the setting of parameter b1-14.
The forward direction for the motor is set up incorrectly.
Typically, forward is designated as being counterclockwise when looking from the motor shaft
(see figure below).
1
2
1. Forward Rotating Motor (looking down the motor shaft)
2. Motor Shaft
The motor is running at almost 0 Hz and the Speed
Search estimated the speed to be in the opposite
direction.
• Disable bi-directional search (b3-14 = 0) so that Speed Search is performed only in the
specified direction.
Note: Check the motor specifications for the forward and reverse directions. The motor specifications will vary depending on the manufacturer
of the motor.
n
Motor Rotates in One Direction Only
Cause Possible Solutions
The drive prohibits reverse rotation.
• Check parameter b1-04.
• Set parameter b1-04 to 0 to allow the motor to rotate in reverse.
A Reverse run signal has not been entered, although
3-Wire sequence is selected.
• Make sure that one of the input terminals S3 to S8 used for the 3-Wire sequence has been set
for reverse.
u
Motor is Too Hot
Cause Possible Solutions
The load is too heavy.
If the load is too heavy for the motor, the motor will overheat as it exceeds its rated torque value
for an extended period of time.
Keep in mind that the motor also has a short-term overload rating in addition to the possible
solutions provided below:
• Reduce the load.
• Increase the acceleration and deceleration times.
• Check the values set for the motor protection (L1-01, L1-02) as well as the motor rated current
(E2-01).
• Increase motor capacity.
The air around the motor is too hot.
• Check the ambient temperature.
• Cool the area until it is within the specified temperature range.
The drive is operating in a vector control mode but
Auto-Tuning has not yet been performed.
• Perform Auto-Tuning.
• Calculate the motor value and reset the motor parameters.
• Change the motor control method to V/f Control (A1-02 = 0).
5.10 Troubleshooting without Fault Display
222
YASKAWA ELECTRIC TOEP C710636 10B Z1000U HVAC MATRIX Drive User Manual
- Z1000U HVAC MATRIX Drive 1
- Table of Contents 3
- Preface & General Safety 11
- Applicable Documentation 12
- Terms and Abbreviations 12
- Trademarks 13
- WARNING 16
- Crush Hazard 16
- CAUTION 16
- Selection 17
- Carrier Frequency Derating 18
- Installation 18
- Settings 18
- General Handling 18
- Motor Application Precautions 19
- Specialized Motors 20
- Drive Label Warning Example 21
- Warranty Information 22
- Receiving 23
- 1.1 Section Safety 24
- 1.2 General Description 25
- Nameplate 27
- Z U 4 E A 28
- 1.5 Component Names 30
- IP20/NEMA Type 1 Enclosure 34
- Front Views 38
- Mechanical Installation 39
- 2.1 Section Safety 40
- 2.2 Mechanical Installation 42
- □0154A, 2□0192A, 2□0248 44
- HOA Keypad Remote Usage 45
- IP00 Enclosure Drives 49
- Electrical Installation 53
- 3.1 Section Safety 54
- 3.5 Terminal Cover 63
- Removing the HOA Keypad 66
- Reattaching the HOA Keypad 66
- Removing the Front Cover 66
- Front cover 67
- Reattaching the Front Cover 68
- 3.7 Top Protective Cover 69
- 3.8 Main Circuit Wiring 70
- Insulation Caps or Sleeves 71
- Main Circuit Protective Cover 71
- Three-Phase 200 V Class 72
- Ground Wiring 77
- R/L1 S/L2 T/L3 U/T1 V/T2 W/T3 81
- 3.9 Control Circuit Wiring 82
- Output Terminals 83
- Terminal Configuration 84
- 3.10 Control I/O Connections 88
- MEMOBUS/Modbus Termination 89
- 3.11 Connect to a PC 90
- 3.12 External Interlock 91
- 3.13 Wiring Checklist 92
- 4.1 Section Safety 94
- 4.2 Using the HOA Keypad 95
- Freq Ref 96
- ALARM (ALM) LED Displays 97
- Menu Structure for HOA Keypad 99
- 20 1 0/01/01 00:00 100
- Second per month 100
- YYYY/MM/DD HH:MM 100
- Start-Up Programming 101
- & Operation 101
- 20 10/01/01 00:00 102
- Entry accepted 102
- Entry Accepted 104
- Using the Setup Group 105
- Setup Group Parameters 106
- 4.4 Start-Up Flowcharts 107
- 4.5 Powering Up the Drive 111
- 4.6 Application Selection 112
- 0 to 10 V 116
- -10 to 10 V 116
- DC Injection brake time 118
- Max. output frequency (E1-04) 118
- E2-01: Motor Rated Current 122
- E2-11: Motor Rated Power 122
- 4.8 Auto-Tuning 131
- Before Auto-Tuning the Drive 132
- Auto-Tuning Operation Example 133
- Starting Auto-Tuning 135
- T1-02: Motor Rated Power 135
- <1> 136
- Checklist Before Operation 140
- Parameter Access Level: A1-01 141
- Copy Function 142
- A1-00: Language Selection 143
- A1-01: Access Level Selection 143
- A1-03: Initialize Parameters 144
- A1-06: Application Preset 145
- -100.0 to 100.0% 0.0% 149
- 0.00 to 100.00% 0.00% 153
- <1> 156
- Reference 157
- E1-03: V/f Pattern Selection 159
- H5-01: Drive Slave Address 165
- H5-07: RTS Control Selection 166
- L8-02: Overheat Alarm Level 168
- Output frequency 169
- U1: Operation Status Monitors 180
- U2: Fault Trace 180
- U3: Fault History 180
- U4: Maintenance Monitors 180
- U5: PID Monitors 181
- U6: Operation Status Monitors 181
- U9: Power Monitors 181
- This Page Intentionally Blank 182
- Troubleshooting 183
- 5.1 Section Safety 184
- Fire Hazard 185
- Fine-Tuning V/f Control 186
- Alarm and Error Displays 190
- Minor Faults and Alarms 191
- Operation Errors 191
- Auto-Tuning Errors 192
- 5.4 Fault Detection 193
- Cause Possible Solution 194
- 5.5 Alarm Detection 204
- Cause Possible Solutions 213
- Fault Reset Methods 219
- Common Problems 220
- Run Command 221
- Motor is Too Hot 222
- Oscillation or Hunting 225
- (Terminals DM+ and DM-) 227
- 6.1 Section Safety 230
- Peripheral Devices & 231
- 6.4 Option Installation 234
- Connecting a Surge Absorber 239
- Reducing Noise 239
- Long Motor Cables 240
- Appendix: A 241
- A.1 Power Ratings 242
- A.2 Drive Specifications 246
- A.2 Drive Specifications 247
- A.3 Drive Watt Loss Data 248
- A.4 Drive Derating Data 249
- Temperature Derating 250
- Altitude Derating 251
- Appendix: B 253
- OLV/PMOLV/PM 254
- A1: Initialization 255
- A2: User Parameters 255
- B.3 b: Application 256
- PID Offset 259
- PID Fdbk Offset 261
- B.4 C: Tuning 263
- C6: Carrier Frequency 264
- C7: Voltage Adjustment 264
- Adjustment 264
- Default: 0000 264
- B.5 d: References 265
- B.6 E: Motor Parameters 268
- B.7 F: Option Settings 271
- Parameter List 279
- TerminalA1Offset 285
- TerminalA2Offset 285
- H4: Analog Outputs 286
- B.9 L: Protection Function 289
- L3: Stall Prevention 290
- L4: Speed Detection 291
- L5: Fault Restart 292
- L6: Torque Detection 292
- L8: Drive Protection 293
- B.10 n: Special Adjustment 295
- B.12 S: Special Application 300
- S4: Bypass Operation 304
- S5: HOA Keypad Parameters 304
- S6: Z1000U Protection 304
- B.13 T: Motor Tuning 306
- T2: PM Motor Auto-Tuning 307
- B.14 U: Monitors 309
- Offset Frequency 316
- 000 000 000 kW 317
- 000 000 000 000 317
- Appendix: C 319
- C.1 BACnet Configuration 320
- Communications 321
- IG R+ R- S+ S 322
- Network Termination 323
- C.4 BACnet Setup Parameters 324
- Observing the Drive Operation 328
- Controlling the Drive 328
- C.6 Communications Timing 329
- C.7 BACnet Objects Supported 330
- Analog Input Objects 331
- Analog Output Objects 331
- Analog Value Objects 331
- Binary Input Objects 332
- Binary Output Objects 333
- Binary Value Objects 333
- Device Object 334
- Enter Command Types 335
- C.9 Communication Errors 336
- C.10 Self-Diagnostics 337
- Appendix: D 341
- D.1 Section Safety 342
- Standards Compliance 343
- D.2 European Standards 344
- D.3 UL and CSA Standards 347
- Three-Phase 400 V Class 349
- Drive Short Circuit Rating 355
- Appendix: E 357
- Drive Specifications 358
- Motor Specifications 358
- E.2 Basic Parameter Settings 359
- Monitor Outputs 360
- E.3 User Setting Table 361
- Numerics 367
- Revision History 376
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