# ID 20942

Gear switching not permitted during active homing.
Description | In the channel parameters, spindle gear change is activated (P-CHAN-00052). When selecting a new gear stage with G112 or M40 - M45, it is detected that homing (G74) is enabled in the same NC block.
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Check and modify NC program. Before selecting a new gear speed with G112 or M40 – M45, homing must be programmed and ended in a separate NC block.
Error type | 1, Error message from NC program.