19 Troubleshooting
114 YASKAWA TOEPC71061732E HV600 Drive Installation & Primary Operation
Code Name Causes Possible Solutions
Er-09 Acceleration Error
The motor did not accelerate for the specified
acceleration time.
1. Increase the value set in C1-01 [Acceleration Time 1].
2. Disconnect the machine from the motor and do Rotational
Auto-Tuning again.
Er-12 Current Detection Error
There is a phase loss in the drive input power. (U/T1,
V/T2, W/T3)
Examine and repair motor wiring.
Er-13 Leakage Inductance Error
The motor rated current value is incorrect. Correctly set the rated current indicated on the motor nameplate and
do Auto-Tuning again.
Er-18 Back EMF Error
The result of the induced voltage tuning was not in
the applicable range.
1. Make sure that the input motor nameplate data is correct.
2. Do Auto-Tuning again and correctly set the motor nameplate
data.
Er-19 PM Inductance Error
The Auto-Tuning results of the PM motor inductance
were not in the applicable range.
1. Make sure that the input motor nameplate data is correct.
2. Do Auto-Tuning again and correctly set the motor nameplate
data.
Er-20 Stator Resistance Error
The Auto-Tuning results of the PM Motor Stator
Resistance were not in the applicable range.
1. Make sure that the input motor nameplate data is correct.
2. Do Auto-Tuning again and correctly set the motor nameplate
data.
Er-25 HighFreq Inject Param Tuning Err
The motor data is incorrect. Do Stationary Auto-Tuning again.
Note:
If the drive detects Er-25 after you do Stationary Auto-Tuning,
it is possible that the motor cannot use high frequency injection.
For more information, contact Yaskawa or your nearest sales
representative.
◆ Backup Function Operating Mode Display and Errors
■ Operating Mode Display
When the drive does backup function tasks with the HOA keypad, the keypad will show the current task. These
indicators do not show that an error has occurred.
Keypad Display Name Display State
Drive and Keypad mismatch.
Should the parameters be
restored?
Detection of inconsistency between the
drive and keypad
Normally displayed The drive detected the connection of a
keypad from a different drive. Select [Yes]
to copy parameters backed up in the keypad
to the connected drive.
Restore
Restore from keypad
Restoring parameters Flashing The parameters stored in the keypad have
been restored to the drive.
End Backup/restore/verify operation ended
normally
Normally displayed The parameter backup, restore, or verify
operation ended normally.
Backup
Backup from Drive
Backing up parameters Flashing The parameters stored in the drive are being
backed up to the keypad.
Verify Keypad & Drive Verifying parameters Flashing The parameter settings stored in the keypad
and the parameter settings in the drive align
or are being compared.
■ Backup Function Runtime Errors
When an error occurs, the keypad shows a code to identify the error.
The table in this section shows the error codes. Refer to this table to remove the cause of the errors.
Note:
Push any key on the keypad to clear an error.
Code Name Causes Possible Solutions
CPEr Control Mode Mismatch
The keypad setting and drive setting for A1-02
[Control Method Selection] do not agree.
1. Set A1-02 on the drive to the same value that is on the keypad.
2. Restore the parameters.
CPyE Error Writing Data
Parameter restore did not end correctly. Restore the parameters.
CSEr Control Mode Mismatch
The keypad is broken. Replace the keypad.
dFPS Drive Model Mismatch
You tried to restore parameters to a different drive
model than the one that you backed up.
1. Examine the drive model that you used to back up the
parameters.
2. Restore the parameters.
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