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MELSEC-Q
13 TROUBLESHOOTING
13.3 List of warnings
The following table shows the warning details and remedies to be taken when a
warning occurs.
Warning
code
Warning name Warning Operation status at warning occurrence
000 Normal status — —
10 Start during operation The start request is issued while the axis is BUSY. Continue the operation.
11 Restart not possible
•
A restart request was made when "
Md. 4
Axis
operation status" is other than "Stopped".
•
During OPR control or JOG operation, a restart
request was made when "
Md. 4
Axis operation
status" is other than "Stopped".
Operation is continued.
20 Outside speed
The set speed or "
Cd. 7
New speed value" is lower
than "
Pr. 6
Bias speed at start" or higher than "
Pr. 5
Speed limit value".
The speed is controlled at "
Pr. 6
Bias speed
at start" or "
Pr. 5
Speed limit value".
22
Speed change not
possible
A speed change request was given during other than
speed control of speed-position switching control and
JOG operation.
Operation is continued.
41
Insufficient movement
amount
The calculation processing time of the next positioning
data was not reserved in "
Da. 1
Operation pattern" of
"Continuous positioning control".
The axis decelerates to a stop once upon
completion of the execution of the positioning
data in current execution, and operation
resumes upon completion of the calculation
processing of the next positioning data.
(The BUSY signal does not turn OFF if the
axis has stopped.)
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