n L8-41: High Current Alarm SelectionTriggers a high current alarm (HCA) when the output current exceeds 150% of the drive rated current.No. Name Setting Range DefaultL8-41 High Current Alarm Selection 0, 1 0Setting 0: DisabledNo alarm is detected.Setting 1: EnabledAn alarm is triggered when the output current exceeds 150% of the drive rated current. A digital output set for an alarm(H2-oo = 10) will close.n L8-97: Carrier Frequency Reduction Rate during oH Pre-AlarmDerates the carrier frequency to the level set to L8-39 during oH pre-alarm.No. Name Setting Range DefaultL8-97 Carrier Frequency Reduction Rate during oH Pre-Alarm 0, 1 0Setting 0: DisabledSetting 1: Enabledu L9: Drive Protection 2n L9-03: Carrier Frequency Reduction Level SelectionSelects start or clear current level for automatic carrier frequency reduction. There is normally no need to change this parameterfrom the default value.No. Name Setting Range DefaultL9-03 Carrier Frequency Reduction Level Selection 0, 1 0Setting 0: Reduces the Carrier Frequency Based on the Drive Rated Current that Is Not DeratedSetting 1: Reduces the Carrier Frequency Based on the Drive Rated Current that Is Derated by the Carrier Frequencyand Temperature with C6-02 Selectionn L9-12: SoH Alarm Selection during bbSets the SoH (Snubber Discharge Resistor Overheat) alarm to output a fault or a minor fault during baseblock (bb). There isnormally no need to change this parameter from the default value.Note: This parameter is available in drive software versions PRG: 6113 and later.No. Name Setting Range DefaultL9-12 SoH Alarm Selection during bb 0, 1 0Setting 0: Outputs a Fault for an SoH Alarm during Baseblock (bb)Setting 1: Outputs a Minor Fault for an SoH Alarm during Baseblock (bb)1.8 L: Protection Functions128 YASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual