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Chapter 16 Troubleshooting
Classification
of errors
Error
code
Error name Error Operation status at error occurrence
I/F
errors
803 PLC CPU error The CPU module resulted in an error.
At start : The system does not
operate.
During operation : The system stops with the
setting (deceleration
stop/sudden stop) of the
detailed parameter 2
sudden stop selection
(stop group 2).
(Note that the deceleration
stop only occurs during the
manual pulse generator
operation.)
804
Dedicated instruction
error
• The ZP.PSTRT
instruction is executed
with the start No. set to other than 1 to
600, 7000 to 7004 and 9001 to 9004.
• The ZP.TEACH
instruction is executed
with the teaching data selection set to
other than 0 and 1.
• The ZP.TEACH
instruction is executed
with the positioning data No. set to other
than 1 to 600.
• The instruction of a non-existent axis is
specified by the ZP.PSTRT
or
ZP.TEACH
instruction.
The function for each instruction is not
executed.
805
Flash ROM write
number error
Data is written to the flash ROM
continuously 25 times or more from the
program.
At start: The system does not operate.
806
Dedicated instruction
I/F error
Mismatching occurs between the CPU
module and the Simple Motion module.
808
Error when switching
from normal operation
mode to amplifier-less
operation mode
Input signals other than synchronization
flag [X1] are ON when switching from the
normal operation mode to the amplifier-less
operation mode.
The operation mode is not changed.
809
Error when switching
from amplifier-less
operation mode to
normal operation mode
Input signals other than synchronization
flag [X1] are ON when switching from the
amplifier-less operation mode to the normal
operation mode.
Parameter
setting range
errors
900
Outside unit setting
range
The set value of the basic parameter 1
"Unit setting" is outside the setting range.
The READY signal [X0] is not turned ON.
901
Outside pulse number
per rotation range
The set value of the basic parameter 1
"Number of pulses per rotation" is outside
the setting range.
902
Outside movement
amount per rotation
range
The set value of the basic parameter 1
"Movement amount per rotation" is outside
the setting range.