Chopping Axis R-Pnt Incomplete; Synchronous Error Excessive; No Spindle Select Signal; No Spindle Serial Connection - Mitsubishi Electric M800 Series Manual

M800/M80/E80/C80 Series Alarm/Parameter Manual
1 Operation Errors (M)
M01

Chopping axis R-pnt incomplete

Details
Chopping mode has been entered while the chopping axis has not completed reference position return.
All axes interlock has been applied.
Remedy
Reset the NC or disable the "chopping" signal, and then carry out the reference position return.
M01

Synchronous error excessive

Details
The synchronization error of the master and slave axes exceeded the allowable value under synchronous con-
trol.
A deviation exceeding the synchronization error limit value was found with the synchronization deviation detec-
tion.
Remedy
Select the correction mode and move one of the axes in the direction in which the errors are reduced.
Check the parameter "#2024 synerr".
Increase the allowable value or reset it to "0" (check disabled).
When using simple C-axis synchronous control, set the contents of the R2589 register to "0".
M01

No spindle select signal

Details
Synchronous tapping command was issued when the spindle select signals (SWS) for all spindles were OFF
in the multiple-spindle control II.
Remedy
Turn ON the spindle select signal (SWS) responding to the tapping spindle before performing the synchro-
nous tapping command.
M01

No spindle serial connection

Details
Synchronous tapping command was issued when the spindle that the spindle select signal (SWS) was ON was
not serially connected in the multiple-spindle control II.
Remedy
Make sure the spindle select signal (SWS) for the responding spindle is ON.
Consider the machine construction when issuing the command.
M01 Spindle fwd/rvs run para err
Details
Asynchronous tapping command was issued when M code of the spindle forward/reverse run command, set
by the parameter "#3028 sprcmm", was one of the followings in the multiple-spindle control II.
M0, M1, M2, M30, M98, M99, or M198
M code No. that commands to enable/disable the "macro interrupt" signal
Remedy
Correct the parameter "#3028 sprcmm" (Tap cycle spindle forward run/reverse run M command) setting.
M01 Tap pitch/thread number error
Details
The command for the pitch or the number of threads is not correct in the synchronous tapping command of the
multiple-spindle control II.
The pitch is too small for the spindle rotation speed.
Thread number is too large for the spindle rotation speed.
Remedy
Correct the pitch, number of threads or rotation speed of the tapping spindle.
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