u
Fault Trace Contents
The table below shows the fault codes that can be read out by MEMOBUS/Modbus commands from the U2-
oo
monitor
parameters.
Table C.5 Fault Trace / History Register Contents
Fault Code
Fault Name
0002H
Undervoltage (Uv1)
0003H
Control Power Supply Undervoltage (Uv2)
0004H
Soft Charge Circuit Fault (Uv3)
0005H
IGBT Short Circuit (SC)
0006H
Ground Fault (GF)
0007H
Overcurrent (oC)
0008H
Overvoltage (ov)
0009H
Heatsink Overheat (oH)
000AH
Heatsink Overheat (oH1)
000BH
Motor Overload (oL1)
000CH
Drive Overload (oL2)
000DH
Overtorque Detection 1 (oL3)
000EH
Overtorque Detection 2 (oL4)
000FH
Dynamic Braking Transistor (rr)
0010H
Braking Resistor Overheat (rH)
0011H
External Fault at Input Terminal S3 (EF3)
0012H
External Fault at Input Terminal S4 (EF4)
0013H
External Fault at Input Terminal S5 (EF5)
0014H
External Fault at Input Terminal S6 (EF6)
0015H
External Fault at Input Terminal S7 (EF7)
0016H
External Fault at Input Terminal S8 (EF8)
001BH
Input Phase Loss (PF)
001CH
Output Phase Loss (LF)
001DH
Motor Overheat (PTC input) (oH3)
001EH
Digital Operator Connection (oPr)
001FH
EEPROM Write Error (Err)
0020H
Motor Overheat (PTC input) (oH4)
0021H
MEMOBUS/Modbus Communication Error (CE)
0022H
Option Communication Error (bUS)
0027H
Option External Fault (EF0)
0028H
PID Feedback Loss (FbL)
0029H
Undertorque Detection 1 (UL3)
002AH
Undertorque Detection 2 (UL4)
002BH
High Slip Braking Overload (oL7)
0030H
Hardware Fault (including oFx)
0036H
Output Current Imbalance (LF2)
0037H
Pullout Detection (Sto)
003BH
Too Many Speed Search Restarts (SEr)
0041H
PID Feedback Loss (FbH)
0042H
External Fault 1, Input Terminal S1 (EF1)
0043H
External Fault 2, Input Terminal S2 (EF2)
0046H
Current Offset Fault (CoF)
0047H
PLC Detection Error 1 (PE1)
0048H
PLC Detection Error 2 (PE2)
004DH
Output Voltage Detection Fault (voF)
Fault Code
Fault Name
004EH
Braking Resistor Transistor Fault (rF)
004FH
Braking Transistor Overload Fault (boL)
0050H
Motor Overheat (NTC Input) (oH5)
0052H
Node Setup Fault (nSE)
0053H
Thermistor Disconnect (THo)
005AH
Underload Detection 6 (UL6)
005DH
HOA Time Not Set (TIM)
005EH
HOA Battery Low (bAT)
005FH
HOA Time Deviation Error (TdE)
0060H
HOA Time Interval Error (TIE)
0083H
A/D Conversion Error (CPF02)
0084H
PWM Data Fault (CPF03)
0087H
EEPROM Memory Data Error (CPF06)
0088H
Terminal Board Connection Error (CPF07)
0089H
EEPROM Serial Communication Fault (CPF08)
008CH
RAM Fault (CPF11)
008DH
Flash Memory Circuit Exception (CPF12)
008EH
Watchdog Circuit Exception (CPF13)
008FH
Control Circuit Fault (CPF14)
0091H
Clock Fault (CPF16)
0092H
Timing Fault (CPF17)
0093H
Control Circuit Fault (CPF18)
0094H
Control Circuit Fault (CPF19)
0095H
Hardware Fault at Power Up (CPF20)
0096H
Hardware Fault at Communication Start Up (CPF21)
0097H
A/D Conversion Fault (CPF22)
0098H
PWM Feedback Fault (CPF23)
0099H
Drive Unit Signal Fault (CPF24)
009AH
Terminal Board is Not Properly Connected. (CPF25)
009BH
ASIC BB Circuit Error (CPF26)
009CH
ASIC PWM Setting Register Error (CPF27)
009DH
ASIC PWM Pattern Error (CPF28)
009EH
ASIC On-delay Error (CPF29)
009FH
ASIC BBON Error (CPF30)
00A0H
ASIC Code Error (CPF31)
00A1H
ASIC Start-up Error (CPF32)
00A2H
Watch-dog Error (CPF33)
00A3H
ASIC Power/Clock Error (CPF34)
00A4H
External A/D Converter Error (CPF35)
00A9H
Control Circuit Error (CPF40)
00AAH
Control Circuit Error (CPF41)
00ABH
Control Circuit Error (CPF42)
00ACH
Control Circuit Error (CPF43)
00ADH
Control Circuit Error (CPF44)
00AEH
Control Circuit Error (CPF45)
C.9 MEMOBUS/Modbus Data Table
YASKAWA SIEP YAIP1U 01C AC Drive - P1000 Technical Manual
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C
MEMOBUS/Modbus Communications