YASKAWA T1000V - Fault Trace Contents

C.10 MEMOBUS/Modbus Data Table
402 YASKAWA ELECTRIC SIEP C710606 44B YASKAWA AC Drive T1000V Technical Manual
◆ Fault Trace Contents
The table below shows the fault codes that can be read out by MEMOBUS/Modbus commands from the U2-
monitor parameters.
Note: Uv1 and Uv2 faults are not saved to the fault history.
Table C.4 Fault Trace/History Register Contents
Fault Code Fault Name Fault Code Fault Name
0002H Undervoltage (Uv1) 002AH Undertorque Detection 2 (UL4)
0003H Control Power Supply Undervoltage (Uv2) 0030H Hardware Fault (including oFx)
0004H Soft Charge Circuit Fault (Uv3) 0036H Output Current Imbalance (LF2)
0006H Ground Fault (GF) 0037H Pullout Detection (Sto)
0007H Overcurrent (oC) 0038H PG Disconnected (PGo)
0008H Overvoltage (ov) 003BH Too many speed search restarts (SEr)
0009H Heatsink Overheat (oH) 0041H PID Feedback Loss (FbH)
000AH Heatsink Overheat (oH1) 0042H External Fault 1, input terminal S1 (EF1)
000BH Motor Overload (oL1) 0043H External Fault 2, input terminal S2 (EF2)
000CH Drive Overload (oL2) 0046H Current Offset Fault (CoF)
000DH Overtorque Detection 1 (oL3) 0083H A/D Conversion Error (CPF02)
000EH Overtorque Detection 2 (oL4) 0084H PWM Data Fault (CPF03)
000FH Dynamic Braking Transistor (rr) 0087H
Drive specification mismatch during Terminal Board
or Control Board replacement (CPF06)
0010H Braking Resistor Overheat (rH) 0088H Terminal Board Communication Fault (CPF07)
0011H External Fault at input terminal S3 (EF3) 0089H EEPROM Serial Communication Fault (CPF08)
0012H External Fault at input terminal S4 (EF4) 008CH RAM fault (CPF11)
0013H External Fault at input terminal S5 (EF5) 008DH Flash memory circuit exception (CPF12)
0014H External Fault at input terminal S6 (EF6) 008EH Watchdog circuit exception (CPF13)
0018H Overspeed (oS) 008FH Control Circuit Fault (CPF14)
0019H Excessive Speed Deviation (dEv) 0091H Clock Fault (CPF16)
001AH PG Disconnect (PGo) 0092H Timing Fault (CPF17)
001BH Input Phase Loss (PF) 0093H Control Circuit Fault (CPF18)
001CH Output Phase Loss (LF) 0094H Control Circuit Fault (CPF19)
001DH Motor Overheat (PTC input) (oH3) 0095H Hardware fault at power up (CPF20)
001EH Digital Operator Connection (oPr) 0096H Hardware fault at communication start up (CPF21)
001FH EEPROM Write Error (Err) 0097H A/D Conversion Fault (CPF22)
0020H Motor Overheat (PTC input) (oH4) 0098H PWM Feedback Fault (CPF23)
0021H MEMOBUS/Modbus Communication Error (CE) 0099H Drive capacity signal fault (CPF24)
0022H Option Communication Error (bUS) 0101H Option compatibility error (oFA00)
0025H Control fault (CF) 0102H Option not properly connected (oFA01)
0027H Option Card External Fault (EF0) 0104H Option Self-diagnostics Error (oFA03)
0028H PID Feedback Loss (FbL) 0105H Option Flash Write Mode Error (oFA04)
0029H Undertorque Detection 1 (UL3)