Abnormal

Abnormal can be classified to two levels:

• Warning

A warning normally will not stop the system operation. A Warning may be removed by itself, once the triggering condition is back to normal.

• Alarm

An alarm will stop the system operation. An alarm may be removed by itself, once the triggering condition is back to normal.

• Blocked

A blocking will stop the operation of the converter. unless manually checked by qualified personnel and unblocked.