## 13.2 HighestActiveAlarmSeverity

While the HighestActiveAlarmSeverity in the OperationType (see 9.3) indicates the severity of the highest active alarm of the complete HRD, here the Variable indicates the severity of the highest active alarm related to the current zone. Details of the error are listed in ActiveErrors (see 9.4) or via ZoneAlarmType (see 18.2).