| MoveDownN | 1: tap-changer/phase-shifter has decreased the next tap |
| MoveDown1 | 2: tap-changer/phase-shifter has decreased the first tap |
| WaitingToMoveDown | 3: tap-changer/phase-shifter is waiting to decrease the first tap |
| Standard | 4: tap-changer/phase-shifter is in standard state with UThresholdDown <= UMonitored <= UThresholdUp |
| WaitingToMoveUp | 5: tap-changer/phase-shifter is waiting to increase the first tap |
| MoveUp1 | 6: tap-changer/phase-shifter has increased the first tap |
| MoveUpN | 7: tap-changer/phase-shifter has increased the next tap |
| Locked | 8: tap-changer/phase-shifter locked |