Err03 Orders PwnCNC Aug 01, 2023 417 Over-Current at deceleration When the frequency inverter decelerates, output current exceeds over-current Check whether the motor is and its lines are short circuit, grounded or too long; Conduct parameter identification delay the deceleration time; Delay the deceleration time; Check whether the input voltage is relativily low; Check whether the input voltage is relatively low; Check whether the load has mutation; Install additional brake unit and brake resistance;