Mitsubishi Electric FR-F700PJ Series, Инструкция по эксплуатации

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298
Causes and corrective actions
5.3 Causes and corrective actions
(1) Error message
A message regarding operational troubles is displayed. Output is not shut off.
Operation panel
indication
HOLD
Name
Operation panel lock
Description
Operation lock mode is set. Operation other than is invalid. (Refer to page 280)
Check point --------------
Corrective action
Press for 2s to release the 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
198)
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.
 Frequency jump setting range overlapped.
 The PU and inverter cannot make normal communication.
Check point

Check the setting of
Pr. 77 Parameter write selection
.
(Refer to page 196)
 Check the settings of Pr. 31 to Pr. 36 (frequency jump) . (Refer to page 102)
 Check the connection of the PU and inverter.
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 196)
 Check that the inverter 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 188)
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 196)
 Check if a parameter unit (FR-PU04/FR-PU07) is connected.
 Check the Pr. 551 setting.
Corrective action
 After setting the operation mode to the "PU operation mode", make parameter setting. (Refer to page 200)

After setting
Pr. 77
= "2", make parameter setting.
 Disconnect the parameter unit (FR-PU04/FR-PU07), and set Pr. 551 = “9999 (initial value).”
 Set Pr. 551 = "4". ( Refer to page 214)