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Operation panel
Er8
indication
Name
USB memory device operation error
• An operation command was given during the USB memory device operation.
Description
• A copy operation (writing) was performed while the PLC function was in the RUN state.
• A copy operation was attempted for a password locked project.
• Check if the USB memory device is operating.
Check point
• Check if the PLC function is in the RUN state.
• Check if the project data is locked with a password.
• Perform the operation after the USB memory device operation is completed.
• Stop the PLC function. (Refer to
Corrective action
• Unlock the password of the project data using FR Configurator2. (Refer to the Instruction Manuals of FR
Configurator2 and GX Works2.)
Operation panel
rE1
indication
Name
Parameter read error
• A failure has occurred at the operation panel side EEPROM while reading the copied parameters.
Description
• A failure has occurred in the USB memory device while copying the parameters or reading the PLC function
project data.
Check point
• --------------
• Perform parameter copy again. (Refer to
• Perform PLC function project data copy again. (Refer to
Corrective action
• The USB memory device may be faulty. Replace the USB memory device.
• The operation panel (FR-DU08) may be faulty. Contact your sales representative.
Operation panel
rE2
indication
Name
Parameter write error
• Parameter copy from the operation panel to the inverter was attempted during operation.
• A failure has occurred at the operation panel side EEPROM while writing the copied parameters.
Description
• A failure has occurred in the USB memory device while writing the copied parameters or PLC function project
data.
Check point
• Check that the inverter is stopped.
• After stopping the operation, perform parameter copy again. (Refer to
• The operation panel (FR-DU08) may be faulty. Contact your sales representative.
Corrective action
• Perform parameter copy or PLC project data copy again. (Refer to
• The USB memory device may be faulty. Replace the USB memory device.
Operation panel
rE3
indication
Name
Parameter verification error
• The data in the inverter are different from the data in the operation panel.
• A failure has occurred at the operation panel side EEPROM during parameter verification.
Description
• A failure has occurred in the USB memory device during parameter verification.
• The data in the inverter are different from the data in the USB memory device or the personal computer (FR
Configurator2).
Check point
• Check the parameter setting of the source inverter against the setting of the destination inverter.
• Continue the verification by pressing
• Perform parameter verification again. (Refer to
Corrective action
• The operation panel (FR-DU08) may be faulty. Contact your sales representative.
• The USB memory device may be faulty. Replace the USB memory device.
• Verify the PLC function project data again. (Refer to
page 462
and the PLC function programming manual.)
page 552
and
page
555.)
page
462.)
.
page
554.)
page
462.)
page
552.)
page 462
and
page
555.)
6. PROTECTIVE FUNCTIONS
6.5 Causes and corrective actions
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