Instruction manual

82
Details of Troubleshooting
3.4.7 Operation mode does not change
• Causes during operation
• Causes when changing from NET operation mode to PU operation mode
• Causes when changing from EXT and NET operation mode to PU operation mode
Cause Measures
Related
Parameters
Operation mode cannot be changed during
operation with the current parameter
setting.
Change the operation mode after stopping operation.
Change operation mode selection(Pr. 79) to change the operation mode
during operation.
Pr. 79
Cause Measures
Related
Parameters
Operation mode cannot be directly
changed from NET operation to PU
operation with the current parameter
setting.
After changing to EXT operation, change to PU operation. If the
operation mode will not change to EXT operation, return to "Status
Display" screen to execute troubleshooting of "Operation mode does not
change to EXT".
Change communication start up mode selection(Pr. 340) to change
directly to PU operation. After changing Pr. 340, reset the inverter.
Pr. 340
By making parameter setting, operation
mode can be changed.
Set 1 in operation mode selection(Pr. 79) . Pr. 79
Operation mode is specified with X16, X65,
and X66 signals.
(when X16, X65, and X66 signals are
assigned)
Change to the PU operation mode by setting as shown below.
(1) X65 signal is ON (when only X65 signal is assigned)
(2) X66 signal is OFF, and X16 signal is OFF
(when only X16 and X66 signals are assigned)
(3) X66 signal is OFF, and X65 signal is ON or X16 signal is OFF
(when all X16, X65 and X66 signals are assigned)
-
Command for changing to PU operation
mode from NET operation mode is given
only from the operation location with PU
operation control source.
(when X16, X65, and X66 signals are not
assigned)
Change the operation mode from the operation location with control
source.
-
Cause Measures
Related
Parameters
Operation mode is specified with X16, X65,
and X66 signals.
(when X16, X65, and X66 signals are
assigned)
Change to the PU operation mode by setting as shown below.
(1) X16 signal is OFF (when only X16 signal is assigned)
(2) X66 signal is OFF, and X16 signal is ON
(when only X16 and X66 signals are assigned)
(3) X66 signal is OFF, and X65 signal is ON or X16 signal is OFF
(when all X16, X65 and X66 signals are assigned)
-
Command for changing to PU operation
mode from EXT operation mode is given
only from the operation location with PU
operation control source.
(when X16, X65, and X66 signals are not
assigned)
Change the operation mode from the operation location with control
source.
-
By making parameter setting, operation
mode can be changed.
Set 1 in operation mode selection(Pr. 79) . Pr. 79
Operation mode change is restricted with
X12 and MRS signals.
When X12 signal is assigned, turn X12 signal ON. When X12 signal is
not assigned, turn MRS signal ON.
-