639D, Acceleration factor illegal. A possible Value would be UU/UU.

The actual combination of the factor group Parameters is not allowed for this Device.

Diagnostic Code (Hex.)	Diagnostic Code (Dez.)
639D	25501

Class	Type
Error	Error

Standard Reaction	Reset
Axis is inoperable	Execute Reset-Command (Fault reset).

Possible Causes	Solutions
The acceleration factor (Object 0x6097 ChA or 0x6897 ChB) does not adjust the velocity scaling to 1 degree/s² in case of rotary Motors and 1 um/s² in case of linear encoder.	Please change your setting to the suggested value.

Internal: 0x639D, Acceleration factor illegal. A possible Value would be %u/%u.