Illegal Instruction Error

What does A295.14 mean?

This flag indicates an Illegal Instruction Error. This occurs when the CPU encounters an instruction that is either not recognized, malformed, or invalid for the current operating mode or CPU hardware type. This is a critical program execution fault.

• Execution of an unsupported instruction by the CPU firmware.
• Corruption of the program code resulting in invalid instruction opcodes.
• Program developed for a different CPU model or firmware version containing incompatible instructions.

Click steps to track your progress.

1. 1

   Review the program code for any instructions that might be invalid, improperly formed, or specific to other CPU models.

2. 2

   Verify program compatibility with the specific CPU unit model and its firmware version.

3. 3

   If recently updated, revert or re-download the program after recompilation.