Mitsubishi Electric M700VS Series Setup Manual page 531

MITSUBISHI CNC
Appendix 2 Explanation of Alarms
M80 POSITION ERROR
Details
An axis position is illegal.
An alarm is displayed (AL4 is output) and a block stop is applied on the machining program.
When the block stop is not allowed in the thread cutting cycle and the like, the stop is applied at the
next position where allowed.
Remedy
Carry out reset. Then confirm that the system starts the operation. If the alarm is displayed again, turn
ON the emergency stop switch and turn the NC power OFF and ON.
M90 Parameter set mode
Details
The lock for setup parameters has been released. Setting the setup parameters is enabled while
automatic start is disabled.
Remedy
Refer to the manual issued by the machine tool builder.
M91 INVALID MEASUR. 0002
Details
Data is over the range
The measurement result exceeds the tool data setting range.
Remedy
Correct the settings of "#2015 tlml- (Negative direction sensor of tool setter)" and "#2016 tlml+
(Positive direction sensor of tool setter or TLM standard length)".
M91 INVALID MEASUR. 0003
Details
No corresponding No.
No measurement tool No. has been set.
The registered No. is out of the specifications.
Remedy
Correct the measurement tool No.
M91 INVALID MEASUR. 0045
Details
Measurement axis illegal
Sensor has been turned ON while two or more axes are moving.
Remedy
Move a single axis when the sensor is contacted.
M91 INVALID MEASUR. 0046
Details
Measurement axis has not returned to reference position
Reference position return has not been executed on a measurement axis in an incremental system.
Remedy
Carry out the reference position return on the measurement axis before measuring the tool.
M91 INVALID MEASUR. 0089
Details
Sensor signal illegal ON
Sensor has already been ON when TLM mode is turned ON. The travel amount was so small that the
tool contacted the sensor.
Remedy
All axes are interlocked when this alarm has occurred.
Turn the TLM mode OFF or use the interlock cancel signal to move the tool off the sensor.
Ensure at least 0.1mm for the movement to the sensor.
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