Appendix 2 List Of Fault Displays (Fr-E700) - Mitsubishi FREQROL-E700 Manual

Appendix 2 List of fault displays (FR-E700)

Fault displays significantly vary depending on model of device. The list of fault displays for the FR-E700 model
is included in this document.
Make sure to read the specific manual for your device if your environment contains different devices.
Function name
Error Operation Operation has been
message panel lock attempted during the
operation panel lock.
Password Reading/writing of a
locked password-restricted
parameter has been
attempted.
Parameter • Parameter setting has
write error been attempted although
parameter writing is set
to be disabled.
• Overlapping range
has been set for the
frequency jump.
• PU and the inverter
cannot make normal
communication.
Write error Parameter writing has
during been attempted while a
operation value other than "2" is set
in Pr. 77 Parameter write
selection and the STF
(STR) is ON.
Calibration Analog input bias and gain
error calibration values have
been set too close.
Mode • Parameter setting has
designation been attempted in
error the External or NET
operation mode when
Pr.77 Parameter write
selection is not "2".
• Parameter writing has
been attempted when the
command source is not
at the operation panel.
Inverter reset The reset signal (RES
signal) is ON.
(Inverter output is shutoff.)
Description
Press
Enter the password in Pr. 297 Password lock/unlock to
unlock the password function before operating.
• Check the setting of Pr. 77 Parameter write selection.
• Check the settings of Pr. 31 to Pr. 36 (frequency jump).
• Check the connection of PU and the inverter.
• Set "2" in Pr.77 Parameter write selection.
• After stopping the operation, set parameters.
• Check the settings of calibration parameters C3, C4,
C6 and C7 (calibration functions).
• After setting the operation mode to the "PU operation
mode," set parameters.
• Set "2" in Pr.77 Parameter write selection.
• Disconnect FR Configurator (USB connector) and
the parameter unit (FR-PU04/FR-PU07), then set Pr.
551 PU mode operation command source selection =
"9999 (initial value)".
• Set Pr. 551 PU mode operation command source
selection = "4".
Turn OFF the reset command.
App.2-1
Corrective action
for 2s to release the lock.
Display