M-Series Operator’s Manual 4/9/15 15-5
Number
Message Cause & Effect Action
411 _ axis full power
without motion
90% Power (PID Output > 115) is
applied to any axis and no motion
>0.0005 inches is detected, for more
than the time specified in parameter 61
(default .5 sec.). All axis motion is
stopped and the CNC program is
aborted.
The probable causes of this error are:
1. One of the axes is against a physical
stop.
2. The servo drive has shutdown due to
a limit switch input.
3. The Z home switch is the same as the
Z + limit switch.
1. If the axis has run into a physical
stop, use the slow jog mode to move
the axis away from the stop. Determine
and set software travel limits to stop
machine before in runs into the hard
stops.
2. If the axis is not on a physical stop,
check for a tripped limit switch. If it is
then the software is commanding a
move into the switch but the hardware
is shutting the move down. Go to the
motor setup screen and enter the limit
switch input number if applicable.
3. Make sure the switch input is not
unstable or noisy. If it is then replace
the switch. If the problem persists it
may be necessary to create separate
home and limit switch inputs.
Use slow jog to move opposite the
direction causing the error and clear all
limit switches. Jog toward the direction
causing the error, if no motion occurs
then a servo drive failure is indicated.
412 _ axis encoder
differential error
An error condition was detected in the
differential signal levels for this axis
encoder. May indicate a loose or
severed encoder cable or a bad encoder.
This will stop all motion and cancel the
job.
Reconnect/replace encoder or encoder
cable.
417 Abnormal end
of job
Job ended without reason.
418 Search Line or
Block not found
Requested search input data not found
in loaded CNC file.
Type in correct data or load correct
job.
419 Search line in
embedded
subprogram
Requested search line is found, but is
part of an embedded/extracted
subprogram
Use another line number
420 _ axis motor
overheating
CNC software estimates that a motor
has reached the warning temperature
(set in Parameter 29). Motor is
overheating or the temperature file is
corrupted. Job will be cancelled.
Contact dealer.
Determine what’s causing motor to
overheat or delete cnc.tem file and
reboot.
421 Motor(s) too
hot: job
canceled
CNC software estimates that one or
more motors have reached the limit
temperature (set in Parameter 30). Will
not be able to run until motor cools
down.
Contact dealer.
Determine what’s causing motor to
overheat or delete cnc.tem file and
reboot.
422 Check Jog Panel
cable
Jog panel failure or loose cable. Reconnect jog panel cable.
428 Check MPG
cable
MPG failure, loose cable, or was turned
off.
Reconnect MPG cable and turn axis
selector knob to an axis.
434 _ idling too
high: Releasing
power
Axis is not moving and no job is
running but axis has stopped against
some abnormal resistance. Power is
released to motors.
Run an autotune to adjust motor
settings.
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