7.10 Troubleshooting Without Fault Display
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SIEPCYEUOQ2V01A Q2V Technical Manual
7.10
Troubleshooting Without Fault Display
If the drive or motor operate incorrectly, but the keypad does not show a fault or error code, refer to the items this
section.
•
Motor hunting and oscillation
•
Unsatisfactory motor torque
•
Unsatisfactory speed precision
•
Unsatisfactory motor torque and speed response
•
Motor noise
◆
Typical Problems
Symptom
Reference
The Parameter Settings Will Not Change
The Motor Does Not Rotate After Entering Run Command
The Motor Rotates in the Opposite Direction from the Run Command
The Motor Rotates in Only One Direction
The Motor Is Too Hot
The Correct Auto-Tuning Mode Is Not Available
The Motor Stalls during Acceleration or Accel/Decel Time Is Too Long
The Drive Frequency Reference Is Different than the Controller Frequency Reference Command
The Motor Speed Is Not Stable When Using a PM Motor
There Is Too Much Motor Oscillation and the Rotation Is Irregular
Deceleration Takes Longer Than Expected When Dynamic Braking Is Enabled
The Load Falls When a Brake Is Applied
There Is Audible Noise from the Drive or Motor Cables When the Drive Is Energized
Residual Current Monitoring/Detection (RCM/RCD) Trips During Run
Motor Rotation Causes Unexpected Audible Noise from Connected Machinery
Motor Rotation Causes Oscillation or Hunting
PID Output Fault
The Starting Torque Is Not Sufficient
The Motor Rotates after the Drive Output Is Shut Off
The Output Frequency Is Lower Than the Frequency Reference
The Motor Is Making an Audible Noise
The Motor Will Not Restart after a Loss of Power
◆
The Parameter Settings Will Not Change
Causes
Possible Solutions
The drive is operating the motor (the drive is in Drive Mode).
Stop the drive and change to Programming Mode.
Parameter
A1-01 = 0 [Access Level = Monitor only]
.
Set
A1-01 = 2 [Access Level = Standard Parameters]
or
A1-01 = 3 [Expert Parameters]
.
Parameter
H1-xx = 7C [MFDI Function Select = Prg Lock]
.
Turn ON the terminals to which
H1-xx = 7C
is set, and then change the parameters.
Summary of Contents for Q2V Series
Page 2: ...This Page Intentionally Blank 2 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 12: ...12 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 18: ...i 2 Legal Information 18 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 26: ...1 2 Features and Advantages of Control Methods 26 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 38: ...2 8 Installation Methods 38 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 70: ...3 3 Main Circuit Wiring 70 SIEPCYEUOQ2V01A Q2V Technical Manual Models B006 B012...
Page 102: ...3 17 Motor Application Precautions 102 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 138: ...4 12 Test Run Checklist 138 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 144: ...5 2 European Standards 144 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 145: ...Standards Compliance 5 5 2 European Standards SIEPCYEUOQ2V01A Q2V Technical Manual 145...
Page 146: ...5 2 European Standards 146 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 266: ...7 10 Troubleshooting Without Fault Display 266 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 284: ...8 6 Storage Guidelines 284 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 312: ...10 10 Peripheral Devices and Options 312 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 430: ...11 21 Parameters Changed by PM Motor Code Selection 430 SIEPCYEUOQ2V01A Q2V Technical Manual...
Page 731: ...SIEPCYEUOQ2V01A Q2V Technical Manual 731 Z Z pulse Auto Tuning 125...