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MELSEC-
A
14 TROUBLESHOOTING
14.3 List of errors
Description of the errors and remedies are shown below.
Division of
error
Error
code
Error name Description Action at occurrence of error
000 (Normal)
Fatal error
001 Fault
Hardware error The system is stopped.
003 Division by zero
004 Overflow
005 Underflow
Error at
selection of
stepping
motor mode
051
Outside position
command range
The position data in the parameter is out of
the setting range for the stepping motor
mode.
The positioning address or movement
amount setting in the positioning data is out of
the setting range for the stepping motor
mode.
The D75P2 READY signal (RXn0) does not
turn OFF.
Failure to start.
052
Outside speed
command range
The speed data in the parameter is out of the
setting range for the stepping motor mode.
The command speed setting in the
positioning data is out of the setting range for
the stepping motor mode.
The D75P2 READY signal (RXn0) does not
turn OFF.
Failure to start.
Common
100
Peripheral device
stop during
operation
A stop command is supplied during operation
from a peripheral device.
Stopping according to the sudden stop
(stopping group 2) setting (deceleration and
stop/sudden stop) selected in detail parameter
2 (However, deceleration and stop only during
manual pulse generator operation)
101
Remote station
READY OFF
during operation
The remote station READY signal [RX(n+7)B]
is turned OFF during operation.
Stopping according to sudden stop (stopping
group 2) setting (deceleration and stop/sudden
stop) selected in detail parameter 2
(However, deceleration and stop only during
manual pulse generator operation)
102
Drive unit
READY OFF
The “Drive unit READY” signal is turned OFF
during operation.
Immediate stop.