Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual page 400

Precautions
• If the branch pointer number of the BREAK instruction outside two nesting levels or more is specified, an operation error
occurs and the program execution stops when the BREAK instruction is executed.
Operation error
Error code Description
(SD0/SD8067)
3340H The branch pointer number outside two nesting levels or more is specified.
3342H The BREAK(P) instructions are used other than between the FOR and NEXT instructions.
3380H The destination pointer specified by (P) does not exist.
A pointer in other program file is specified in (P).
8 APPLICATION INSTRUCTION
398
8.4 Structuring Instruction