Cause : CU: Insufficient memory - Too many functions have been configured on this Control Unit (e.g. too many drives, function modules, data sets, OA applications, blocks, etc).

Fault value (r0949, decimal interpretation): Only for internal Siemens troubleshooting.

Remedy: -

Change the configuration on this Control Unit (e.g. fewer drives, function modules, data sets, OA applications, blocks, etc).

- use an additional Control Unit.