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Appendix 7. Explanation of Alarms
Appendix 7.1 Operation Errors (M)
M01 No spindle speed clamp 1043
Details
The constant surface speed command (G96) was issued to the spindle which is not selected
for the spindle speed clamp command (G92/G50) under Multiple spindle control II.
Remedy
Press the reset key and carry out the remedy below.
- Select the spindle before commanding G92/G50.
M01 Sp synchro phase calc illegal 1106
Details
Spindle synchronization phase alignment command was issued while the "phase shift
calculation request" signal was ON.
Remedy
- Correct the program.
- Correct the sequence program.
M01 NC/PLC axis switch illegal 1250
Details
The following operation was performed to an axis which can be switched over between NC
axis and PLC axis.
- PLC axis switchover signal was turned ON or OFF when it was prohibited to switch over
the axis.
Remedy
Make sure the axis switchover status signal is OFF and change the ON/OFF of the axis
switchover signal.
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)".
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