19 Troubleshooting
YASKAWA TOEPC71061737B GA800 Drive Installation & Primary Operation 127
Code Name Causes Possible Solutions
The motor vibrates during tuning. • Increase the values set in n8-03 [Pole Position Detection Time]
and n8-04 [Pole Alignment Time].
• Decrease the value set in n8-02 [Pole Alignment Current Level].
The encoder is damaged. • Examine the signal output from the encoder.
• Replace the encoder.
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
control. 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 LCD 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 align.
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 drive model that
is different than the drive model you backed up.
1. Examine the drive model that you used to back up the
parameters.
2. Restore the parameters.
iFEr Keypad Communication Error
There was a communications error between the
keypad and the drive.
Examine the connector or cable connection.
ndAT Error Received Data
The parameter settings for model and specifications
(power supply voltage and capacity) are different
between the keypad and the drive.
1. Make sure that drive model and the value set in o2-04 [Drive
Model (KVA) Selection] align.
2. Restore the parameters.
The parameters are not stored in the keypad. 1. Connect a keypad that has the correct parameters.
2. Restore the parameters.
PWEr DWEZ Password Mismatch
The password set in the backup operation with qx-xx
[DriveWorksEZ Parameters] and rx-xx
[DriveWorksEZ Connections] is incorrect.
Set the DWEZ PC software password supplied by Yaskawa for the
DWEZ program user ID downloaded to the drive.
rdEr Error Reading Data
You tried to back up when o3-02 = 0 [Copy Allowed
Selection = Disabled].
Set o3-02 = 1 [Enabled] and back up again.
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