3.11 Problems that Can Frequently Occur during Setup and Possible Solutions
YASKAWA
SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual
227
Classification
Problem
Ref.
Impact Stop, Light-load Acceleration Does
Not Operate Correctly
Impact Stop Is Not Available After the Motor Stops
Motor Keeps Rotating at the Creep Frequency During Impact Stop Operation
Accelerates Despite a Heavy Load When Using the Light-Load Acceleration 1 Function
No Acceleration Despite a Light Load When Using the Light-Load Acceleration 1 Function
Accelerates Despite a Heavy Load When Using the Light-Load Acceleration 2 Function
No Acceleration Despite a Light Load When Using the Light-Load Acceleration 2 Function
Hunting or Oscillation
Excessive Motor Oscillation and Erratic Rotation
Oscillation Occurs When Lowering in a Hoist/Lowering Crane Without a Counterweight
Oscillation Occurs When Lowering in a Hoist/Lowering Crane With a Counterweight or With a Traverse Crane
Unexpected Noise from Connected Machinery Occurs When Motor Rotates
Oscillation or Hunting Occurs When Motor Rotates
The Motor Is Making an Audible Noise and
Too Much Heat
The Motor Is Making an Audible Noise
The Motor Is Too Hot
Peripheral Devices Do Not Operate Correctly
There Is Audible Noise from the Drive or Motor Cables when You Energize the Drive
Residual Current Monitoring/Detection (RCM/RCD) Trips During Run
◆
Cannot Change Parameter Settings
Causes
Possible Solutions
The drive is operating the motor. (The drive is in Drive Mode.)
Stop the drive and switch over to Programming Mode.
A1-01 = 0 [Access Level Selection = Operation Only]
is set.
Set
A1-01 = 2 [Access Level Selection = Advanced Level]
or
A1-01 = 3 [Expert Level]
.
H1-xx = 1B [MFDI Function Selection = Programming Lockout]
is set.
Turn ON the terminals to which
H1-xx = 1B
is set, and then change the parameters.
Note:
You cannot change parameters when terminals to which
H1-xx = 1B
is set are turned OFF.
The wrong password was entered.
•
Enter the correct password to
A1-04 [Password]
again.
•
If you forgot the password, set the password again with
A1-04
and
A1-05 [Password Setting]
.
Note:
If the password is set, these parameters cannot be changed unless the password matches:
•
A1-01 [Access Level Selection]
•
A1-02 [Control Method Selection]
•
A1-03 [Initialize Parameters]
•
A1-06 [Application Preset]
•
A2-01 to A2-32 [User Parameter 1 to User Parameter 32]
Uv [Undervoltage]
has been detected.
•
Check the power supply voltage with
U1-07 [DC Bus Voltage]
.
•
Check the main circuit wiring.
◆
The Correct Auto-Tuning Mode Is Not Available
Causes
Possible Solutions
The desired Auto-Tuning mode is not available for the selected control
mode.
Change the motor control method with parameter
A1-02 [Control Method Selection]
.
◆
Crane Sequence Does Not Operate
Causes
Possible Solutions
b1-02 = 0 [Run Command Selection 1 = Keypad]
is set.
Give the Run command from the drive control terminals by setting
b1-02 = 1 [Digital Input]
.
◆
Motor Does Not Rotate After Entering Run Command
Causes
Possible Solutions
When you use N.C. to input the external baseblock signal, the external
baseblock signal is not cleared.
•
Input the signal from the terminal set for the external baseblock signal.
•
Avoid using the external baseblock signal.
The drive is not in Drive Mode.
1. Check whether [Rdy] is displayed on the keypad.
2. If [Rdy] is not displayed, return to the Home screen.
Содержание CR700
Страница 1: ......
Страница 2: ...This Page Intentionally Blank 2 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 244: ...3 13 Test Run Checklist 244 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 422: ...7 7 Storage Guidelines 422 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 426: ...8 2 Disposal Instructions 426 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 837: ...EZZ023535 2 35 1 Revision History Revision Revised Content Date First Edition 2017 08 ...
Страница 872: ...EZZ023536 2 16 Revision History Revision Revised Content Date First Edition 2017 08 ...