Heidenhain Processor Check Error M |verified| | Deluxe |

The is a critical diagnostic message indicating that the operating voltage at the logic unit has fallen outside its permissible tolerance. Unlike standard programming or software-based errors, this alarm typically points to a hardware-level power supply issue that requires technical intervention. Primary Cause: Voltage Instability

: The most direct solution recommended by HEIDENHAIN is to have the operating voltage at the logic unit tested by trained personnel. This involves checking the output of the NC power supply to ensure it remains stable under load. heidenhain processor check error m

: Often relates to CRC checksum errors in the control's data, block memory, or test programs, indicating corrupted data. Understanding "Long Feature" Errors The is a critical diagnostic message indicating that

The M-processor is extremely sensitive to voltage ripple or transient drops. Failing capacitors in the logic power supply (typically +5V and +3.3V rails) cause intermittent data corruption. This involves checking the output of the NC

If your query "long feature" refers to a tool or workpiece being too long during a simulation or operation:

: A failing internal power supply unit (PSU) or fluctuations in the shop's incoming power can trigger this error.