Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 1339

Operation error
Error code Error content
3400H An invalid operation (such as division by zero) is performed.
3402H The value specified by (d2) is a subnormal number or NaN (not a number).
3403H An overflow has occurred.
3405H The number of operation constant break points (PTNO) is less than 0 or greater than 16.
11 PROCESS CONTROL INSTRUCTIONS
11.3 Control Operation Instructions
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