Mitsubishi Electric FR-F720P-0.75K to 110K Instruction Manual page 322

Operation Panel
Er4
Indication
Name
Mode designation error
· You attempted to make parameter setting in the NET operation mode when Pr. 77 is not "2".
Description
· If a parameter write was performed when the command source is not at the operation panel (FR-
DU07).
· Check that operation mode is "PU operation mode".
Check point · Check the Pr. 77 setting. (Refer to page 200.)
· Check the Pr. 551 setting.
· After setting the operation mode to the "PU operation mode", make parameter setting. (Refer to page 200.)
Corrective action · After setting "2" in Pr. 77, make parameter setting.
· Set Pr.551 = "2 (initial setting)". (Refer to page 219.)
Operation Panel
rE1
Indication
Name Parameter read error
Description
An error occurred in the EEPROM on the operation panel side during parameter copy reading.
Check point
· Make parameter copy again. (Refer to page 301.)
Corrective action
· Check for an operation panel (FR-DU07) failure. Please contact your sales representative.
Operation Panel
Indication
Name
Parameter write error
· You attempted to perform parameter copy write during operation.
Description
· An error occurred in the EEPROM on the operation panel side during parameter copy writing.
Check point
Is the FWD or REV LED of the operation panel (FR-DU07) lit or flickering?
· After stopping the operation, make parameter copy again. (Refer to page 301.)
Corrective action
· Check for an operation panel (FR-DU07) failure. Please contact your sales representative.
Operation Panel
Indication
Name
Parameter verification error
· Data on the operation panel side and inverter side are different.
Description
· An error occurred in the EEPROM on the operation panel side during parameter verification.
Check point
Check for the parameter setting of the source inverter and inverter to be verified.
· Press
Corrective action
Make parameter verification again. (Refer to page 302.)
· Check for an operation panel (FR-DU07) failure. Please contact your sales representative.
Operation Panel
Indication
Name
Model error
· A different model was used for parameter writing and verification during parameter copy.
Description
· When parameter copy write is stopped after parameter copy read is stopped.
· Check that the verified inverter is the same model.
Check point
· Check that the power is not turned OFF or an operation panel is not disconnected, etc. during
parameter copy read.
· Use the same model (FR-F700(P) series) for parameter copy and verification.
Corrective action
· Perform parameter copy read again.
Operation Panel
Indication
· The RES signal is ON.
· The PU and inverter cannot make normal communication (contact fault of the connector).
· When the voltage drops in the inverter's input side.
Description
· While the control circuit power (R1/L11, S1/L21) and the main circuit power (R/L1, S/L2, T/L3) are
connected to separate power sources, the error may appear when turning ON the main circuit. This
is not a fault though.
· Turn OFF the RES signal.
Corrective action · Check the connection of PU and the inverter.
· Check the voltage on the inverter's input side.
rE2
rE3
to continue verification.
rE4
Err.
Causes and corrective actions
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