Could you please provide more context for this error and what it means in the context of your machine?

In general, this error code indicates that nozzle 1 on machine code KM-ASSYM3-05 is not returning to the starting position within a specified amount of time. This could
The solution for error M112 could be to adjust the nozzle control parameters such as rate of speed and acceleration/deceleration or to upgrade the firmware of the printer. Additionally, you could also reduce the print speed