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Causes and corrective actions
5.3 Causes and corrective actions
(1) Error message
A message regarding operational troubles is displayed. Output is not shutoff.
Operation panel
indication
HOLD
Name
Operation panel lock
Description
Operation lock mode is set. Operation other than is invalid. (Refer to page 258)
Check point
————
Corrective
action
Press for 2s to release lock.
Operation panel
indication
LOCD
Name
Password locked
Description
Password function is active. Display and setting of parameter is restricted.
Check point
————
Corrective
action
Enter the password in Pr.297 Password lock/unlock to unlock the password function before operating. (Refer to page 183)
Operation panel
indication
Er1
Name
Write disable error
Description
You attempted to make parameter setting when
Pr.77 Parameter write selection
has been set to disable parameter write.
Speed jump setting range overlapped.
The PU and drive unit cannot make normal communication.
Check point
Check the setting of Pr.77 Parameter write selection (Refer to page 181)
Check the settings of Pr.31 to Pr.36 (speed jump). (Refer to page 116)
Check the connection of the PU and drive unit.
Operation panel
indication
Er2
Name
Write error during operation
Description
When parameter write was performed during operation with a value other than "2" (writing is enabled independently of
operation status in any operation mode) is set in Pr.77 and the STF (STR) is ON.
Check point
Check the Pr.77 setting. (Refer to page 181)
Check that the drive unit is not operating.
Corrective
action
Set "2" in Pr.77.
After stopping operation, make parameter setting.
Operation panel
indication
Er3
Name
Calibration error
Description
Analog input bias and gain calibration values are too close.
Check point
Check the settings of C3, C4, C6 and C7 (calibration functions). (Refer to page 173)
Operation panel
indication
Er4
Name
Mode designation error
Description
Appears if a parameter setting is attempted in the External or NET operation mode with Pr.77 "2".
Appears if a parameter setting is attempted when the command source is not at the operation panel.
Check point
Check that operation mode is PU operation mode.
Check the Pr.77 setting. (Refer to page 181)
Check if FR Configurator (USB connector) or a parameter unit (FR-PU07) is connected when Pr.551 = "9999 (initial
setting)."
Check the Pr.551 setting.
Corrective
action
After setting the operation mode to the "PU operation mode", make parameter setting. (Refer to page 186)
After setting Pr.77 = "2", make parameter setting.
Disconnect FR Configurator (USB connector) or the parameter unit (FR-PU07), and make parameter setting.
After setting Pr.551 = "4", make parameter setting. (Refer to page 195)