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7 Error Messages and Troubleshooting
LCD Digital Operator User’s Manual (I579)
7-1 Error Messages and Remedies
7
7-1-2 LCD Digital Operator Error Messages
INV in RUN
mode
• An attempt was
made to write
parameter data
during Inverter
operation.
• The soft lock
function is enabled.
• The Inverter data is
read/write-protected.
• The Drive
Programming is
activated.
• The Drive
Programming has a
password set.
• The WRITE key was
pressed during
Inverter operation.
• The soft lock
function is enabled
in b031 (Soft lock
selection).
•
The data is read/
write-protected in b166
(Data Read/Write
Selection).
• The start signal of
the Drive
Programming is ON.
• The Drive
Programming has a
password set.
• Press the WRITE
key when the
Inverter is stopped.
• Disable the soft lock
on the Inverter
parameter data.
• Disable the read/
write-protection.
• Stop the Drive
Programming.
• Disable a password
of the Drive
Programming.
Press the
STOP/RESET
key.
INV in TRIP
mode
• An attempt was
made to write
parameter data
during Inverter trip.
• Check the state of
the Inverter trip.
• Remove the error
cause of the Inverter
trip and reset the
Inverter.
INV Type
Un-match
• An attempt was
made to write all
parameter data to a
wrong Inverter.
• Check the data to
write and the
connected Inverter
model and version.
• If the model or
version does not
match, use
CX-Drive.
Read lock
enabled
• The Inverter data is
read/write-protected.
•
The data is read/
write-protected in b166
(Data Read/Write
Selection).
• Disable the
read/write
protection.
Data Check
Sum Error
• The EEPROM check
data (checksum
value) is abnormal.
• The EEPROM
reached the
maximum number of
writes.
• Turn OFF and then
ON the power
supply again to see
if the value is reset
to normal.
• In the Option Mode,
execute the
Operator Reset
function to see if the
value is reset to
normal.
• If the error cannot be
cleared, replace the
LCD Digital
Operator.
Turn OFF and
then ON the
power supply
again.
Or replace the
LCD Digital
Operator.
INV Check Sum
Error
• The parameter data
to write to the
Inverter does not
match that stored in
the LCD Digital
Operator.
*1
• Retry writing all the
parameter data
again.
• If the error cannot be
cleared by retrying
after initializing the
Inverter , co nsi de r
replacing the
Inverter.
Consider
replacing the
Inverter.
EEPROM Error • An EEPROM error
occurred in the LCD
Digital Operator.
• Turn OFF and then
ON the power
supply again to see
if the writing is
possible.
• If the copy function
is required, replace
the LCD Digital
Operator.
–
not support • The Inverter is not
supported.
• Check the Inverter
model.
• Connect with a
Inverter , or use
CX-Drive.
–
Message Cause Check items Remedies Reset method