Fanuc Alarm PS805 ILLEGAL COMMAND

Fanuc Alarm PS805 ILLEGAL COMMAND

Fanuc Alarm Description
Fanuc 15i
[I/O Device]
An attempt was made to specify an illegal command during I/O processing on an I/O device.
[G30 Zero Return]
The P address Nos. for instructing No. 2 to No. 4 zero return are each out of the range 2 to 4.
[Single Rotation Dwell]
The specified spindle rotation is “0” when single rotation dwell is specified.
[3–dimensional Tool Offset
A G code that cannot be specified was specified in the 3–dimensional tool offset mode.
Scaling instruction G51, skip cutting G31 and automatic tool length measurement G37 were specified.

Fanuc 10/11/12/15
A command is specified incorrectly in a block.