What kind of problems will cause "miss CT fault"?

These problems will report ‘miss CT fault’ and need to be Manually Corrected by the installer:
① CT has not been successfully clipped on the phase wire
② CT is wrongly connected to the N wire
③ CT is connected to two wires
④ CT is wrongly connected to the loads side
⑤ CT is wrongly connected between the loads and the inverter