0: No function
1: After over-torque detection during constant speed
operation, continues operation until oL1 or oL
protection activate
2: After over-torque detection during constant speed
operation, stops and shows oL2 fault
3: After over-torque detection during acceleration and
constant speed operation, continues operation
until oL1 protection activates
4: After over-torque detection during acceleration and
constant speed operation, stops and shows oL2
fault