Troubleshooting Without Fault Display; Troubleshooting Without Fault Display; Cannot Change Parameter Settings; Motor Does Not Rotate Properly After Pressing Run Button Or After Entering External Run Command - YASKAWA CIMR-JA Series Installation & Start-Up Manual

5.8

Troubleshooting without Fault Display

This section describes troubleshooting problems that do not trip an alarm or fault.
u

Cannot Change Parameter Settings

Cause
The drive is running the motor (i.e., the Run
command is present).
The Access Level is set to restrict access to
parameter settings.
The operator is not in the Parameter Setup
Mode (the LED screen will display "PAr").
The wrong password was entered.
Undervoltage was detected.
u
Motor Does Not Rotate Properly after Pressing RUN Button
or after Entering External Run Command
n Motor Does Not Rotate
Cause
The drive is not in the Drive Mode.
The button was pushed.
A Fast-Stop was executed and has not yet
been reset.
Settings are incorrect for the source that
provides the run command.
YASKAWA ELECTRIC TOEP C710606 25B YASKAWA AC Drive J1000 Installation & Start-Up Manual

5.8 Troubleshooting without Fault Display

Possible Solutions
• Stop the drive and switch over to the Programming Mode.
• Most parameters cannot be edited during run.
• Set the Access Level to allow parameters to be edited (A1-02 = 2).
• See what mode the LED parameter is current set for.
• Parameters cannot be edited when in the Setup Mode ("STUP"). Switch
modes so that "PAr" appears on the screen.
• If the password entered to A1-04 does not match the password saved to
A1-05, then drive settings cannot be changed.
• Reset the password.
If you cannot remember the password:
•
Display parameter A1-04. Press the
at the same time. Parameter A1-05 will appear.
• Set a new password to parameter A1-05.
• Check the drive input power voltage by looking at the DC bus voltage
(U1-07).
• Check all main circuit wiring.
Possible Solutions
• Check if the DRV light on the LED operator is lit.
• Enter the Drive Mode to begin operating the motor.
and Programming Modes on page
Stop the drive and check if the correct frequency reference source is selected.
If the operator keypad shall be the source, the LO/RE button LED must be
on, if the source is REMOTE, it must be off.
Take the following step to solve the problem:
•
Push the button.
Reset the Fast-Stop command.
Check parameter b1-02 (Run Command Selection).
Set b1-02 so that it corresponds with the correct run command source.
0: LED/LCD operator
1: Control circuit terminal (default setting)
2: MEMOBUS/Modbus communications
STOP
button while pressing
Refer to The Drive
78.
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