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14 TROUBLESHOOTING
14.4 List of Warning Codes
0989H Outside manual
pulse generator
speed limit value
The manual pulse generator speed exceeds "[Pr.123]
Manual pulse generator speed limit value".
[Operation status at warning occurrence]
• When the speed exceeds the detailed parameter 2
"Manual pulse generator speed limit value", the
manual pulse generator operation is executed
following the detailed parameter 2 "Manual pulse
generator speed limit mode".
• "In speed limit flag" is turned ON while the speed is
controlled with the detailed parameter 2 "Manual pulse
generator speed limit value".
Adjust speed of manual pulse generator or "[Cd.20]
Manual pulse generator 1 pulse input magnification"
not to exceed the speed limit value.
0990H Deceleration/stop
speed change
The speed change request is issued during deceleration
stop.
[Operation status at warning occurrence]
The speed change is not carried out.
Do not carry out the speed change during deceleration
with a stop command, during stoppage, or during
automatic deceleration with position control.
0991H Speed limit value
over
• Setting speeds
*2
exceed the speed limit value when
starting/restarting the positioning or when changing
the speed at the positioning
*3
. (At the interpolation
control, either of reference axes or interpolation axes
exceeds the speed limit value.)
• "[Cd.140] Command speed at speed control mode"
exceeds "[Pr.8] Speed limit value" during the speed
control mode.
• "[Cd.146] Speed limit value at torque control mode"
exceeds "[Pr.8] Speed limit value" during the torque
control mode.
• "[Cd.147] Speed limit value at continuous operation to
torque control mode" exceeds "[Pr.8] Speed limit
value" during the continuous operation to torque
control mode.
[Operation status at warning occurrence]
[Position control mode]
• The speed is controlled with the speed limit value.
• The "[Md.39] In speed limit flag" is turned ON.
[Speed control mode/Torque control mode/Continuous
operation to torque control]
• The speed is controlled with the speed limit value.
(The "[Md.39] In speed limit flag" is not turned ON.)
Review each speed so that setting speeds do not
exceed the speed limit value.
0992H M code ON signal
ON
The M code ON signal is turned ON when the
positioning data is executed.
[Operation status at warning occurrence]
Continues executing the positioning data.
Normalize the ON and OFF timings of the "M code
OFF request".
0993H Speed-position
switching (during
acceleration) signal
ON
The switching signal for speed-position switching control
(INC mode) is turned ON during acceleration.
[Operation status at warning occurrence]
The operation is continued.
Do not turn ON the speed-position switching signal
during acceleration.
0994H Insufficient remaining
distance
At a continuous operation interrupt request, the distance
required deceleration stop is not long enough.
[Operation status at warning occurrence]
• When a command speed is changed: Change to a
value as near a new speed value as possible.
• When a target position is changed: Adjust the speed
to a value as near the command speed as possible,
and then change to a target position.
(When the operation pattern is a continuous path
control, ignore the operations stated above.)
Give a request at the position where there is an
enough remaining distance.
0995H Insufficient remaining
distance
At a speed change request, the remaining distance is
shorter than the distance required for speed change.
[Operation status at warning occurrence]
• When a command speed is changed: Change to a
value as near a new speed value as possible.
• When a target position is changed: Adjust the speed
to a value as near the command speed as possible,
and then change to a target position.
(When the operation pattern is a continuous path
control, ignore the operations stated above.)
Give a request at the position where there is an
enough remaining distance.
Warning code
(Hexadecimal)
Warning name Error details and causes Remedy
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