No.(Addr.Hex) Name LCD Display Description AnalogOutput Level UnitU2-03(82) Frequency Reference atPrevious Fault Frequency Ref Displays the frequency reference at the previous fault. No signal outputavailable 0.01 HzU2-04(83) Output Frequency atPrevious Fault Output Freq Displays the output frequency at the previous fault. No signal outputavailable 0.01 HzU2-05(84) Output Current atPrevious Fault Output Current Displays the output current at the previous fault. No signal outputavailable <1> <2>U2-07(86) Output Voltage atPrevious Fault Output Voltage Displays the output voltage at the previous fault. No signal outputavailable 0.1 VacU2-08(87) DC Bus Voltage atPrevious Fault DC Bus Voltage Displays the DC bus voltage at the previous fault. No signal outputavailable 1 VdcU2-09(88) Output Power atPrevious Fault Output kWatts Displays the output power at the previous fault. No signal outputavailable 0.1 kWU2-11(8A) Input Terminal Status atPrevious Fault Input Term Sts Displays the input terminal status at the previous fault. Displayedas in U1-10. No signal outputavailable –U2-12(8B) Output Terminal Statusat Previous Fault Output Term Sts Displays the output status at the previous fault. Displays the samestatus displayed in U1-11. No signal outputavailable –U2-13(8C) Drive Operation Statusat Previous Fault Inverter Status Displays the operation status of the drive at the previous fault.Displays the same status displayed in U1-12. No signal outputavailable –U2-14(8D) Cumulative OperationTime at Previous Fault Elapsed time Displays the cumulative operation time at the previous fault. No signal outputavailable 1 hU2-15(7E0)Soft Starter SpeedReference at PreviousFault SFS Output Displays the speed reference for the soft starter at the previousfault. No signal outputavailable 0.01 HzU2-16(7E1) Motor q-Axis Current atPrevious Fault Motor Iq Current Displays the q-axis current for the motor at the previous fault. No signal outputavailable 0.10%U2-17(7E2) Motor d-Axis Current atPrevious Fault Motor Id Current OLV/PMOLV/PMDisplays the d-axis current for the motor at the previous fault.No signal outputavailable 0.10%U2-20(8E) Heatsink Temperature atPrevious Fault Actual Fin Temp Displays the temperature of the heatsink when the most recentfault occurred. No signal outputavailable 1 °CU2-30(3008) Date Year at PreviousFault Date Year YYYY Displays the year when the most recent fault occurred. No signal outputavailable –U2-31(3009) Date Month and Day atPrevious Fault Date Mo Day MMDD Displays the date and day when the most recent fault occurred. No signal outputavailable –U2-32(300A) Time Hours and Minutesat Previous Fault Time Hr Min HHMM Displays the time when the most recent fault occurred. No signal outputavailable –<1> This value has two decimal places (0.01 A) if the drive is set for a maximum applicable motor capacity up to and including 11 kW, and one decimalplace (0.1 A) if the maximum applicable motor capacity is higher than 11 kW.<2> When reading the value of this monitor via MEMOBUS/Modbus, a value of 8192 is equal to 100% of the drive rated output current.u U3: Fault HistoryNo.(Addr.Hex) Name LCD Display Description AnalogOutput Level UnitU3-01 toU3-04(90 to 93(800 to803))First to 4th Most RecentFault Fault Message oDisplays the first to the fourth most recent faults.No signal outputavailable –U3-05 toU3-10(804 to809)5th to 10th Most RecentFault Fault Message oDisplays the fifth to the tenth most recent faults.After ten faults, data for the oldest fault is deleted. The mostrecent fault appears in U3-01, with the next most recent faultappearing in U3-02. The data is moved to the next monitorparameter each time a fault occurs.No signal outputavailable –U3-11 toU3-14(94 to 97(80A to80D))Cumulative OperationTime at 1st to 4th MostRecent Fault Elapsed Time oDisplays the cumulative operation time when the first to thefourth most recent faults occurred. No signal outputavailable 1 hB.13 U: Monitors334 YASKAWA ELECTRIC TOEP C710616 45F YASKAWA AC Drive – Z1000 User Manual