Troubleshooting
7
7.8 Backup Function Operating Mode Display and Errors
YASKAWA SIEPC71061753C GA500 Technical Manual 295
7.8 Backup Function Operating Mode Display and Errors
◆ Operating Mode Display
When you use the LCD keypad to do the backup function, the keypad shows the running operation on the LCD
display. These indicators do not show that an error has occurred.
Keypad Display Name Display Status
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 match 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 show the error codes. If there are errors, refer to these tables:
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.
Code Name Causes Possible Solutions
CPyE Error Writing Data
Parameter restore did not end correctly. Restore the parameters.
Code Name Causes Possible Solutions
CSEr Control Mode Mismatch
The keypad is broken. Replace the keypad.
Code Name Causes Possible Solutions
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.
Code Name Causes Possible Solutions
iFEr Keypad Communication Error
There was a communications error between the
keypad and the drive.
Examine the connector or cable connection.
Code Name Causes Possible Solutions
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] agree.
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.
Code Name Causes Possible Solutions
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.
Note:
U8-11 and U8-12 [DWEZ Versions 1 and 2] show the user ID of the DWEZ program.
Code Name Causes Possible Solutions
rdEr Error Reading Data
You tried to back up the data when o3-02 = 0 [Copy
Allowed Selection = Disabled].
Set o3-02 = 1 [Enabled] and back up again.
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