7 Modbus TCP/IP Messaging30 YASKAWA ELECTRIC SIEP C730600 91C YASKAWA AC Drive Option SI-EM3 Technical Manual2009 C0 Error Signal 10 Reserved1 Undervoltage (Uv1)2 Control Power Supply Undervoltage (Uv2)3 Soft Charge Circuit Fault (Uv3)4 Short Circuit / IGBT Failure (SC)5 Ground Fault (GF)6 Overcurrent (oC)7 Overvoltage (ov)8 Heatsink Overheat (oH)9 Heatsink Overheat (oH1)A Motor Overload (oL1)B Drive Overload (oL2)C Overtorque Detection 1 (oL3)D Overtorque Detection 2 (oL4)E Dynamic Braking Transistor Fault (rr)F Braking Resister Overheat (rH)200A C1 Error Signal 20 External Fault at input terminal S3 (EF3)1 External Fault at input terminal S4 (EF4)2 External Fault at input terminal S5 (EF5)3 External Fault at input terminal S6 (EF6)4 External Fault at input terminal S7 (EF7)5 External Fault at input terminal S8 (EF8)6 Cooling fan Error (FAn)7 Overspeed (os)8 Excessive Speed Deviation (dEv)9 PG Disconnected (PGo)A Input Phase Loss (PF)B Output Phase Loss (LF)C Motor Overheat (PTC input) (oH3)D Keypad Connection Fault (oPr)E EEPROM Write Error (Err)F Motor Overheat Fault (PTC input) (oH4)200B C2 Error Signal 30 MEMOBUS/Modbus Communication Error (CE)1 Option Communication Error (bUS)2 Reserved3 Reserved4 Control Fault (CF)5 Zero Servo Fault (SvE)6 Option External Fault (EF0)7 PID Feedback Loss (FbL)8 Undertorque Detection 1 (UL3)9 UL4 Undertorque Detection 2 (UL4)A High Slip Braking Overload (oL7)B ReservedC ReservedD ReservedE ReservedF Hardware Fault (includes oF)200C 4E Terminal A1 Input Level Monitor (U1-13)200D 49 Digital Input Terminal Status (U1-10)200E 50 Terminal A3 Input Level Monitor (U1-15)200F F1 PG Count Channel 22010 4D Drive Software Number (Flash) (U1-25)Address(hex)DriveRegister(hex) Description Bit Description