Operation Mode Does Not Change - Mitsubishi FR-A700 Series Instruction Manual

Details of troubleshooting
3.4.7

Operation mode does not change

Causes during operation
Cause
Operation mode can not be changed
during operation with the current parameter
setting.
Causes when changing from NET operaiton mode to PU operation mode
Cause
Operation mode can not be directly
changed from NET operation to PU
operation with the current parameter
setting.
By making parameter setting, operation
mode can be changed.
Operation mode is specified with X16, X65,
and X66 signals.
(when 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)
Causes when changing from EXT and NET operaiton mode to PU operation mode
Cause
Operation mode is specified with X16, X65,
and X66 signals.
(when 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)
By making parameter setting, operation
mode can be changed.
Operation mode change is restricted with
X12 and MRS signals.
76
Change the operation mode after stopping operation.
Change operation mode selection(Pr. 79) to change the operation mode
during operation.
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.
Set 1 in operation mode selection(Pr. 79) .
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)
Change the operation mode from the operation location with control
source.
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)
Change the operation mode from the operation location with control
source.
Set 1 in operation mode selection(Pr. 79) .
When X12 signal is assigned, turn X12 signal ON. When X12 signal is
not assigned, turn MRS signal ON.
Measures
Measures
Measures
Related
Parameters
Pr. 79
Related
Parameters
Pr. 340
Pr. 79
-
-
Related
Parameters
-
-
Pr. 79
-