Causes and corrective actions
142
6.5
Causes and corrective actions
Error message
A message regarding operational troubles is displayed. The inverter output is not shut off.
Operation panel
indication
HOLD
Name
Operation panel lock
Description
Operation lock is set. Operation other than
is invalid.
(Refer to
Check point
————
Corrective action
Press
for 2 s to release the lock.
Operation panel
indication
LOCD
Name
Password locked
Description
Password function is active. Display and setting of parameters are restricted.
Check point
————
Corrective action
Enter the password in
Pr.297 Password lock/unlock
to unlock the password function before operating.
(Refer to
Operation panel
indication
Er1
Name
Parameter write error
Description
• Parameter setting was attempted while
Pr.77 Parameter write selection
is set to disable parameter write.
• The operation panel and converter unit cannot make normal communication.
Check point
• Check the
Pr.77
setting. (Refer to
• Check the connection between the operation panel and the converter unit.
Operation panel
indication
Er2
Name
Parameter write error
Description
• Parameter write was attempted during emergency drive operation.
Check point
• Check for any attempt of parameter write during emergency drive operation.
Operation panel
indication
rE1
Name
Parameter read error
Description
A failure has occurred at the operation panel side EEPROM while reading the copied parameters.
Check point
————
Corrective action
• Perform parameter copy again. (Refer to
• The operation panel may be faulty. Contact your sales representative.
Operation panel
indication
rE2
Name
Parameter write error
Description
A failure has occurred at the operation panel side EEPROM while writing the copied parameters.
Check point
————
Corrective action
• The operation panel may be faulty. Contact your sales representative.
• Perform parameter copy again. (Refer to
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