Siemens SINUMERIK 808D - Wrong Zero Offsets in ISO Mode

Service Manual
46 01/2017
5.4
Wrong zero offsets in ISO mode
Fault description
The zero offset activated in ISO mode cannot be reset to zero after the control system is switched back to Siemens mode.
Remedy
1.
Select the machining operating area.
2.
S
witch to "MDA" mode.
3.
Enter the following program in the block editor:
G291
G50.3 X0 Z0
4.
Press this key on the MCP, and the zero offset activated previously in ISO mode is reset to
zero.
Notes