Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 132

Operation error
Error code Description
(SD0)
3402H Input data (IN) or operation constant (V1_, V2_, HS1, HS2) is a subnormal number or NaN (not a number).
3403H An overflow has occurred.
3405H The positive direction hysteresis (HS1) is less than 0 or negative direction hysteresis (HS2) is less than 0.
8 CONTROL OPERATION
130
8.7 Variation Rate Limiter 2 (M+P_VLMT2)