...
3 phase connection:
correct:
wrong (L1 and N switched):
wrong (L2 and N switched):
wrong (L3 and N switched):
Please measure between each phase and ground. Results:
...
1 phase connection:
correct:
wrong (switched L1 and N):
...
...
correct:
wrong (L1 and N switched):
wrong (L2 and N switched):
wrong (L3 and N switched):
Please measure between each phase and ground. Results:
...
1 phase connection:
correct:
wrong (switched L1 and N):
...