Sinumerik Alarm 14766 NCU link is heavily loaded, impending memory shortage
Informational alarm for NC program developer. The capacity of the NCU link is not large enough to transfer all the data. This non-cyclic data includes link variable assignments, machine data write operations, values for container switches and setting data write operations. This type of data is buffered and is not lost. The buffer memory is now 70% full.
– Alarm display.
– Warning display.
The timing of cyclic data should not be distorted in the NC program.
Clear alarm with the Delete key or NC START.
- Siemens Diagnostics Guide by Siemens