C.9 MEMOBUS/Modbus Data Table
MEMOBUS/Modbus
Communications
C
YASKAWA ELECTRIC SIEP C710616 35D YASKAWA AC Drive E1000 Technical Manual 433
◆ Alarm Register Contents
The table below shows the alarm codes that can be read out from MEMOBUS/Modbus register 007FH.
Table C.5 Alarm Register 007FH Contents
003BH Too many speed search restarts (SEr) 0111H Option RAM Fault (oFA10)
0041H PI Feedback Loss (FbH) 0112H Option Operation Mode Fault (SLMOD) (oFA11)
0042H External Fault 1, input terminal S1 (EF1) 0113H Drive Receive CRC Error (oFA12)
0043H External Fault 2, input terminal S2 (EF2) 0114H Drive Receive Frame Error (oFA13)
0046H Current Offset Fault (CoF) 0115H Drive Receive Abort Error (oFA14)
0047H PLC Detection Error 1 (PE1) 0116H Option Receive CRC Error (oFA15)
0048H PLC Detection Error 2 (PE2) 0117H Option Receive Frame Error (oFA16)
0049H DriveWorksEZ Fault (dWFL) 0118H Option Receive Abort Error (oFA17)
004DH Output Voltage Detection Fault (voF) 0131H Comm. ID Error (oFA30)
0050H Motor Overheat (NTC Input) (oH5) 0132H Model Code Error (oFA31)
0052H Node Setup Fault (nSE) 0133H Sumcheck Error (oFA32)
0053H Thermistor Disconnect (THo) 0134H Comm. option timeout waiting for response (oFA33)
005AH Motor Underload (UL6) 0135H MEMOBUS Timeout (oFA34)
005BH Polarity Judge Timeout (dV7) 0136H Drive timeout waiting for response (oFA35)
005FH Power Unit Output Phase Loss 3 (LF3) 0137H CI Check Error (oFA36)
0060H Current Unbalance (UnbC) 0138H Drive timeout waiting for response (oFA37)
0061H Power Supply Module Undervoltage (Uv4) 0139H Control Command Selection Error (oFA38)
0083H A/D Conversion Error (CPF02) 013AH Drive timeout waiting for response (oFA39)
0084H PWM Data Fault (CPF03) 013BH Control Response Selection 1 Error (oFA40)
0087H EEPROM Memory Data Error (CPF06) 013CH Drive timeout waiting for response (oFA41)
0088H Terminal Board Connection Error (CPF07) 013DH Control Response Selection 2 Error (oFA42)
0089H EEPROM Serial Communication Fault (CPF08) 013EH Control Response Selection Error (oFA43)
Alarm Code Fault Name Alarm Code Fault Name
0001H Undervoltage (Uv) 0027H PI Feedback Loss (FbL)
0002H Overvoltage (ov) 0028H PI Feedback Loss (FbH)
0003H Heatsink Overheat (oH) 002AH Drive Disabled (dnE)
0004H Drive Overheat (oH2) 0031H SI-T3 Watchdog Error (E5)
0005H Overtorque 1 (oL3) 0032H SI-T3 Station Address Setting Error (AEr)
0007H Run commands input error (EF) 0033H SI-T3 Comm. Cycle Setting Error (CyC)
0008H Drive Baseblock (bb) 0034H High Current Alarm (HCA)
0009H External Fault 3, input terminal S3 (EF3) 0035H Cooling Fan Maintenance Time (LT-1)
000AH External Fault 4, input terminal S4 (EF4) 0036H Capacitor Maintenance Time (LT-2)
000BH External Fault 5, input terminal S5 (EF5) 0038H SI-S EEPROM Error (EEP)
000CH External Fault 6, input terminal S6 (EF6) 0039H External Fault (input terminal S1) (EF1)
000DH External Fault 7, input terminal S7 (EF7) 003AH External Fault (input terminal S2) (EF2)
000EH External Fault 8, input terminal S8 (EF8) 003FH PLC Alarm (PA1)
000FH Cooling Fan Error (FAN) 0040H PLC Alarm (PA2)
0014H MEMOBUS/Modbus Communication Error (CE) 0041H Output Voltage Detection Fault (voF)
0015H Option Communication Error (bUS) 0042H IGBT Maintenance Time (90%) (TrPC)
0016H Serial Communication Transmission Error (CALL) 0043H Soft Charge Bypass Relay Maintenance Time (LT-3)
0017H Motor Overload (oL1) 0044H IGBT Maintenance Time (50%) (LT-4)
0018H Drive Overload (oL2) 0048H Motor Overheat (NTC Input) (oH5)
001AH Option Card External Fault (EF0) 0049H DriveWorksEZ Alarm (dWAL)
001DH Serial Communication Transmission Error (CALL) 004DH Thermistor Disconnect (THo)
001EH Undertorque Detection 1 (UL3) 004EH Motor Underload (UL6)
0020H MEMOBUS/Modbus Test Mode Fault (SE) 004FH Waiting for Run (WrUn)
0022H Motor Overheat (oH3) ––
Fault Code Fault Name Fault Code Fault Name
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