10 MEMOBUS/Modbus Data Table
32 YASKAWA ELECTRIC SIEP C730600 24A V1000 Option CANopen Technical Manual
◆ Fault Trace / History Register Contents
The table below shows the fault codes that can be read out by MEMOBUS/Modbus commands from the U2- and U3- monitor parameters.
Table 7 Fault Trace / History Register Contents
00D1H
CPF Contents 2
bit 0 Clock Fault (CPF16)
bit 1 Timing Fault (CPF17)
bit 2 Control Circuit Fault (CPF18)
bit 3 Control Circuit Fault (CPF19)
bit 4 Hardware fault at power up (CPF20)
bit 5 Hardware fault at communication start up (CPF21)
bit 6 A/D Conversion Fault (CPF22)
bit 7 PWM Feedback Fault (CPF23)
bit 8 Drive capacity signal fault (CPF24)
bit 9 to F Reserved
00D8H
Option Card Fault Contents
bit 0 Option Compatibility Error (oFA00)
bit 1 Option not properly connected (oFA01)
bit 3 Option Self-diagnostics Error (oFA03)
bit 4 Option Flash Write Mode Error (oFA04)
bit 5 to F Reserved
00FBH Output current, <2>
<1> Units are determined by parameter o1-03.
<2> 0.01 A units for drives set to 11 kW in Heavy or Normal Duty and 0.1 A units for drives set to 15 kW and above.
<3> The contents of a communication error are saved until the fault is reset.
<4> Depending on the motor used the correct motor pole number must be set to parameter E2-04, E4-04 or E5-05.
<5> For drive software version 1011 and later.
Fault Code Fault Name Fault Code Fault Name
0001H Undervoltage (Uv1) 002BH High Slip Braking Overload (oL7)
0002H 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) 0044H Mechanical Weakening Detection 1 (oL5)
000DH Overtorque Detection 1 (oL3) 0045H Mechanical Weakening Detection 2 (UL5)
000EH Overtorque Detection 2 (oL4) 0046H Current Offset Fault (CoF)
000FH Dynamic Braking Transistor (rr) 0049H DriveWorksEZ Fault (dWFL)
0010H Braking Resistor Overheat (rH) 0083H A/D Conversion Error (CPF02)
0011H External Fault at input terminal S3 (EF3) 0084H PWM Data Fault (CPF03)
0012H External Fault at input terminal S4 (EF4) 0087H
Drive specification mismatch during Terminal Board or Control
Board replacement (CPF06)
0013H External Fault at input terminal S5 (EF5) 0088H Terminal Board Communication Fault (CPF07)
0014H External Fault at input terminal S6 (EF6) 0089H EEPROM Serial Communication Fault (CPF08)
0015H External Fault at input terminal S7 (EF7) 008CH RAM fault (CPF11)
0018H Overspeed (oS) 008DH Flash memory circuit exception (CPF12)
0019H Excessive Speed Deviation (dEv) 008EH Watchdog circuit exception (CPF13)
001AH PG Disconnect (PGo) 008FH Control Circuit Fault (CPF14)
001BH Input Phase Loss (PF) 0091H Clock Fault (CPF16)
001CH Output Phase Loss (LF) 0092H Timing Fault (CPF17)
001DH Motor Overheat (PTC input) (oH3) 0093H Control Circuit Fault (CPF18)
001EH Digital Operator Connection (oPr) 0094H Control Circuit Fault (CPF19)
001FH EEPROM Write Error (Err) 0095H Hardware fault at power up (CPF20)
0020H Motor Overheat (PTC input) (oH4) 0096H Hardware fault at communication start up (CPF21)
0021H MEMOBUS/Modbus Communication Error (CE) 0097H A/D Conversion Fault (CPF22)
0022H Option Communication Error (bUS) 0098H PWM Feedback Fault (CPF23)
0025H Control fault (CF) 0099H Drive capacity signal fault (CPF24)
0027H PROFIBUS-DP Option External Fault (EF0) 0101H Option compatibility error (oFA00)
0028H PID Feedback Loss (FbL) 0102H Option not properly connected (oFA01)
0029H Undertorque Detection 1 (UL3) 0104H Option Self-diagnostics Error (oFA03)
002AH Undertorque Detection 2 (UL4) 0105H Option Flash Write Mode Error (oFA04)
Register No. Contents
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