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C.9 MEMOBUS/Modbus Data Table
◆ Fault Trace Contents
The table below shows the fault codes that can be read out by MEMOBUS/Modbus commands from the U2- and
U3- monitor parameters.
Fault Code
0002H
Control Circuit Undervoltage Fault (Uv1)
0003H
Control Power Supply Voltage Fault (Uv2)
0004H
Undervoltage 3 (Uv3)
0006H
Ground Fault (GF)
0007H
Overcurrent (oC)
0008H
Control Circuit Overvoltage (ov)
0009H
Heatsink Overheat (oH)
000AH
Overheat 1 (oH1)
000BH
Motor Overload (oL1)
000CH
Overload (oL2)
000DH
Overtorque Detection 1 (oL3)
000EH
Overtorque Detection 2 (oL4)
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)
0017H
Fan Fault (FAn)
0018H
Overspeed (oS)
0019H
Speed Deviation (dEv)
001AH
PG Disconnect (PGo)
001CH
Output Phase Loss (LF)
001DH
Motor Overheat Alarm (PTC input) (oH3)
001EH
Digital Operator Connection Fault (oPr)
001FH
EEPROM Write Error (Err)
0020H
Motor Overheat Fault (PTC input) (oH4)
0021H
MEMOBUS/Modbus Communication Error (CE)
0022H
Option Communication Error (bUS)
0025H
Control fault (CF)
0026H
Zero-Serve Fault (SvE)
0027H
Option Card External Fault (EF0)
0028H
PID Feedback Loss (FbL)
0029H
Undertorque Detection 1 (UL3)
002AH
Undertorque Detection 2 (UL4)
0030H
Hardware Fault (including oFx)
0032H
Z Pulse Fault (dv1)
0033H
Z Pulse Noise Fault Detection (dv2)
0034H
Inversion Detection (dv3)
0035H
Inversion Prevention Detection (dv4)
0036H
Output Current Imbalance (LF2)
0037H
Pull-Out Detection (Sto)
0038H
PG Hardware Fault (PGoH)
0039H
MECHATROLINK Watchdog Timer Error (E5)
003BH
Too Many Speed Search Restarts (SEr)
0041H
Excessive PID Feedback (FbH)
0042H
External Fault 1, input terminal S1 (EF1)
0043H
External Fault 2, input terminal S2 (EF2)
0044H
Mechanical Weakening Detection 1 (oL5)
0045H
Mechanical Weakening Detection 2 (UL5)
0046H
Current Offset Fault (CoF)
0049H
DriveWorksEZ Fault (dWFL)
004AH
EEPROM Memory DriveWorksEZ Data Error (dWF1)
0051H
LSo Fault (LSo)
0052H
Node Setup Fault (nSE)
005BH
Polarity Judge Timeout (dv7)
005CH
Ground Fault (GF)
0066H
Power Supply Undervoltage (AUv)
0067H
Power Supply Overvoltage (Aov)
580
Table C.5 Fault Trace / History Register Contents
Fault Name
Fault Code
009FH
Control Circuit Error (CPF30)
00A0H
Control Circuit Error (CPF31)
00A1H
Control Circuit Error (CPF32)
00A2H
Control Circuit Error (CPF33)
00A3H
Control Circuit Error (CPF34)
00A4H
Control Circuit 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)
0101H
Option compatibility error (oFA00)
0102H
Option not properly connected (oFA01)
0106H
A/D Conversion Error (oFA05)
0107H
Option Response Error (oFA06)
0111H
Option RAM Fault (oFA10)
0112H
Option Operation Mode Fault (SLMOD) (oFA11)
0113H
Unit Receive CRC Error (oFA12)
0114H
Unit Receive Frame Error (oFA13)
0115H
Unit Receive Abort Error (oFA14)
0116H
Option Receive CRC Error (oFA15)
0117H
Option Receive Frame Error (oFA16)
0118H
Option Receive Abort Error (oFA17)
0131H
Comm. ID Error (oFA30)
0132H
Model Code Error (oFA31)
0133H
Sumcheck Error (oFA32)
0134H
Comm. option timeout waiting for response (oFA33)
0135H
MEMOBUS Timeout (oFA34)
0136H
Unit timeout waiting for response (oFA35)
0137H
CI Check Error (oFA36)
0138H
Unit timeout waiting for response (oFA37)
0139H
Control Command Selection Error (oFA38)
013AH
Unit timeout waiting for response (oFA39)
013BH
Control Response Selection 1 Error (oFA40)
013CH
Unit timeout waiting for response (oFA41)
013DH
Control Response Selection 2 Error (oFA42)
013EH
Control Response Selection Error (oFA43)
0201H
Option Compatibility Error (oFb00)
0202H
Option Connection Error (oFb01)
0203H
Same type of option card already connected (oFb02)
0206H
A/D Conversion Error (oFb05)
0207H
Option Response Error (oFb06)
0211H
Option RAM Fault (oFb10)
0212H
Option Operation Mode Fault (SLMOD) (oFb11)
0213H
Unit Receive CRC Error (oFb12)
0214H
Unit Receive Frame Error (oFb13)
0215H
Unit Receive Abort Error (oFb14)
0216H
Option Receive CRC Error (oFb15)
0217H
Option Receive Frame Error (oFb16)
0218H
Option Receive Abort Error (oFb17)
0232H
Model Code Error (oFb31)
0233H
Sumcheck Error (oFb32)
0234H
Comm. option timeout waiting for response (oFb33)
0235H
MEMOBUS Timeout (oFb34)
0236H
Unit timeout waiting for response (oFb35)
0237H
CI Check Error (oFb36)
0238H
Unit timeout waiting for response (oFb37)
0239H
Control Command Selection Error (oFb38)
YASKAWA ELECTRIC SIEP C710636 02B YASKAWA U1000 Technical Manual
Fault Name
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