Mitsubishi Electric RD77MS2 - Page 612

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14 TROUBLESHOOTING
14.5 List of Error Codes
1ACAH External input signal
selection error
The setting value of the detailed parameter 1 "External
input signal selection" is outside the setting range.
[Operation status at error occurrence]
The READY signal [X0] is not turned ON.
With the setting brought into the setting range, turn the
PLC READY signal [Y0] from OFF to ON.
1ACBH Input signal logic
selection setting
error
The setting values of the detailed parameter 1 "Input
signal logic selection" are different in the axis that uses
the same input signal.
[Operation status at error occurrence]
The READY signal [X0] is not turned ON.
With the setting of the axis is matched, turn the PLC
READY signal [Y0] from OFF to ON.
1ACCH Restart allowable
range error
The setting value of the detailed parameter 2 "Restart
allowable range when servo OFF to ON" is outside the
setting range.
[Operation status at error occurrence]
When the PLC READY signal [Y0] is turned from
OFF to ON: The READY signal [X0] is not turned ON.
At start: The system does not start.
During operation: The system stops with the setting
(deceleration stop/sudden stop) of the detailed
parameter 2 sudden stop selection (stop group 3). (Note
that the deceleration stop only occurs during the
manual pulse generator operation.)
With the setting brought into the setting range, turn the
PLC READY signal [Y0] from OFF to ON.
1ACDH Speed control 10 
multiplier setting for
degree axis error
The setting value of the detailed parameter 2 "Speed
control 10  multiplier setting for degree axis" is outside
the setting range.
[Operation status at error occurrence]
The READY signal [X0] is not turned ON.
With the setting brought into the setting range, turn the
PLC READY signal [Y0] from OFF to ON.
1ACEH Operation setting for
speed-torque control
mode error
The setting value of the detailed parameter 2
"Operation setting for speed-torque control mode" is
outside the setting range.
[Operation status at error occurrence]
The READY signal [X0] is not turned ON.
With the setting brought into the setting range, turn the
PLC READY signal [Y0] from OFF to ON.
1ACFH External command
signal selection error
The setting value of the detailed parameter 2 "External
command signal selection" is outside the setting range.
[Operation status at error occurrence]
The READY signal [X0] is not turned ON.
With the setting brought into the setting range, turn the
PLC READY signal [Y0] from OFF to ON.
1AD0H FLS signal selection
error
The setting value of the detailed parameter 1 "FLS
signal selection" is outside the setting range.
[Operation status at error occurrence]
The READY signal [X0] is not turned ON.
Correct the setting value and turn the PLC READY
signal [Y0] from OFF to ON.
1AD1H RLS signal selection
error
The setting value of the detailed parameter 1 "RLS
signal selection" is outside the setting range.
[Operation status at error occurrence]
The READY signal [X0] is not turned ON.
Correct the setting value and turn the PLC READY
signal [Y0] from OFF to ON.
1AD2H DOG signal selection
error
The setting value of the detailed parameter 1 "DOG
signal selection" is outside the setting range.
[Operation status at error occurrence]
The READY signal [X0] is not turned ON.
Correct the setting value and turn the PLC READY
signal [Y0] from OFF to ON.
1AD3H STOP signal
selection error
The setting value of the detailed parameter 1 "STOP
signal selection" is outside the setting range.
[Operation status at error occurrence]
The READY signal [X0] is not turned ON.
Correct the setting value and turn the PLC READY
signal [Y0] from OFF to ON.
1B00H Home position return
method error
The setting value of the home position return basic
parameter "Home position return method" is outside the
setting range.
[Operation status at error occurrence]
The READY signal [X0] is not turned ON.
With the setting brought into the setting range, turn the
PLC READY signal [Y0] from OFF to ON.
1B01H Home position return
direction error
The setting value of the home position return basic
parameter "Home position return direction" is outside
the setting range.
[Operation status at error occurrence]
The READY signal [X0] is not turned ON.
With the setting brought into the setting range, turn the
PLC READY signal [Y0] from OFF to ON.
1B02H Home position
address setting error
The setting value of the home position return basic
parameter "Home position address" is outside the
setting range.
[Operation status at error occurrence]
The READY signal [X0] is not turned ON.
With the setting brought into the setting range, turn the
PLC READY signal [Y0] from OFF to ON.
Error code
(Hexadecimal)
Error name Error details and causes Remedy