Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 306

Operation error
Error code Description
(SD0)
3400H An invalid operation (such as division by zero) is performed.
3402H Input data (PVP) or tag data is a subnormal number or NaN (not a number).
3403H An overflow has occurred.
3405H Hysteresis 0 (HS0) is less than 0.
The control cycle (CT) setting is less than 0.
The execution cycle (T) setting is less than 0.
(Hysteresis 1 (HS1) + hysteresis 0 (HS0)) is less than 0.
Hysteresis 1 (HS1) is less than 0.
The value divided the control cycle (CT) by the execution cycle (T) exceeds 32767.
10 LOOP CONTROL OPERATION
304
10.22 3 position ON/OFF Control (Enable Tracking for primary loop) (M+P_ONF3_T)