Mitsubishi FREQROL-E700, Manual

Page: 95 / 108

App.2-1
Appendix
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 Description Corrective action Display
Error
message
Operation
panel lock
Operation has been
attempted during the
operation panel lock.
Press for 2s to release the lock.
Password
locked
Reading/writing of a
password-restricted
parameter has been
attempted.
Enter the password in Pr. 297 Password lock/unlock to
unlock the password function before operating.
Parameter
write error
• Parameter setting has
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.
• 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.
Write error
during
operation
Parameter writing has
been attempted while a
value other than "2" is set
in Pr. 77 Parameter write
selection and the STF
(STR) is ON.
• Set "2" in Pr.77 Parameter write selection.
• After stopping the operation, set parameters.
Calibration
error
Analog input bias and gain
calibration values have
been set too close.
• Check the settings of calibration parameters C3, C4,
C6 and C7 (calibration functions).
Mode
designation
error
• Parameter setting has
been attempted in
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.
• 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".
Inverter reset The reset signal (RES
signal) is ON.
(Inverter output is shutoff.)
Turn OFF the reset command.