Mitsubishi Electric MELSEC Q Series, User Manual

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Chapter 16 Troubleshooting
Classification
of errors
Error
code
Error name Error Operation status at error occurrence
Parameter
setting range
errors
925
Command in-position
width
The set value of the detailed parameter 1
"Command in-position width" is outside the
setting range.
The READY signal [X0] is not turned ON.
926
Illegal torque limit
setting value
The set value of the detailed parameter 1
"Torque limit setting value" is outside the
setting range.
927 M code ON timing error
The set value of the detailed parameter 1 "M
code ON signal output timing" is outside the
setting range.
928
Speed switching mode
error
The set value of the detailed parameter 1
"Speed switching mode" is outside the
setting range.
929
Interpolation speed
designation method
error The set value of the detailed parameter 1
"Interpolation speed designation method" is
outside the setting range.
930
Current value update
request error
The set value of the detailed parameter 1
"Feed current value during speed control"
is outside the setting range.
932
Manual pulse generator
input mode error
The set value of the detailed parameter 1
"Manual pulse generator/Incremental
synchronous encoder input selection" is
outside the setting range.
935
Speed-position function
selection error
The detailed parameter 1 "Speed-position
function selection" is preset to 2 and the
following three conditions are not satisfied:
1) Unit is "degree".
2) Software stroke limits are invalid.
3) Update feed current value.
936
External input signal
selection error
The set value of the detailed parameter 1
"External input signal selection" is outside
the setting range.
937
Forced stop
valid/invalid setting
error The set value of the detailed parameter 1
"Forced stop valid/invalid setting" is outside
the setting range.
938
Input signal logic
selection setting error
The set values of the detailed parameter 1
"Input signal logic selection" are different in
the axis that uses the same input signal.
950
Acceleration time 1
setting error
The set value of the detailed parameter 2
"Acceleration time 1" is outside the setting
range.
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/rapid stop) of the
detailed parameter 2 rapid
stop selection
(stop group 3).
(Note that the deceleration
stop only occurs during the
manual pulse generator
operation.)
951
Acceleration time 2
setting error
The set value of the detailed parameter 2
"Acceleration time 2" is outside the setting
range.
952
Acceleration time 3
setting error
The set value of the detailed parameter 2
"Acceleration time 3" is outside the setting
range.