Siemens 6SE7087-8KN50 Instructions De Service page 344

Faults and Alarms
Number / Alarm Cause
A225 The decoded NC block contains simultaneous
selection and deselection of collision
Status of collision monitoring (G96/G97).
monitoring select. not
allowed Example: N1 G96 G97 X100
The NC program number and NC block
number in which the NC block decoder
detected the error can be read out with the
"output actual values - decoder error location"
task.
Effect:
NC program execution is inhibited or aborted,
the axis is brought to a standstill via the
deceleration ramp.
A227 The look-ahead function of the decoder has
detected that the negative software limit switch
Negative overtravel will be crossed. See also error message
violated "A195: Negative overtravel reached".
The NC program number and NC block
number in which the NC block decoder
detected the error can be read out with the
"output actual values - decoder error location"
task.
Effect:
NC program execution is inhibited or aborted,
the axis is brought to a standstill via the
deceleration ramp.
A228 The look-ahead function of the decoder has
detected that the positive software limit switch
Positive overtravel will be crossed. See also error message
violated "A196: Positive overtravel reached".
The NC program number and NC block
number in which the NC block decoder
detected the error can be read out with the
"output actual values - decoder error location"
task.
Effect:
NC program execution is inhibited or aborted,
the axis is brought to a standstill via the
deceleration ramp.
A241 The table assignment has been changed.
Table assignment Effect:
changed NC tables cannot be processed.
A242 Table 1 was not loaded correctly or has been
reset.
Table 1 invalid
Effect:
Table 1 cannot be processed.
A243 Table 2 was not loaded correctly or has been
reset.
Table 2 invalid
Effect:
Table 2 cannot be processed.
12-34
Counter-measure
Correct the NC block.
Correct the NC program.
Check the machine data.
Correct the NC program.
Check the machine data.
Load the table again.
Note:
A table can only be loaded again if it is not
selected. The warning is cleared automatically
when the table has been successfully loaded.
Load table 1 again.
Note:
Table 1 can only be loaded again if it is not
selected. The warning is cleared automatically
when table 1 has been successfully loaded.
Load table 2 again.
Note:
Table 2 can only be loaded again if it is not
selected. The warning is cleared automatically
when table 2 has been successfully loaded.
6SE7087-7KN50
Operating Instructions SIMOVERT MASTERDRIVES
10.2006
Siemens AG