C.9 MEMOBUS/Modbus Data Table
Fault Code
Fault Name
Fault Code
Fault Name
0034H
Inversion Detection (dv3)
0202H
Same type o f option card already connected (oFb02)
0035H
Inversion Prevention Detection (dv4)
0205H
A /D Conversion Error (oFb05)
0036H
Output Current Imbalance (LF2)
0206H
Option Response Error (oFb06)
0037H
Pullout Detection (Sto)
0210H
Option R A M Fault (oFb10)
0038H
PG Option Card Hardware Fault
0211H
Option Operation M ode Fault (SLM OD) (oFb11)
0046H
Current Offset Fault (CoF)
0212H
Drive R eceive CRC Error (oFb 12)
004DH
Output Voltage Detection Fault (voF)
0213H
Drive R eceive Frame Error (oFb13)
0054H
Overacceleration (dv6)
0214H
Drive R eceive Abort Error (oFb14)
0055H
Motor Contactor Response Error (SE1)
0215H
Option R eceive CRC Error (oFb15)
0056H
Starting Current Error (SE2)
0216H
Option R eceive Frame Error (oFb 16)
0057H
Output Current Error (SE3)
0217H
Option R eceive Abort Error (oFb17)
0058H
Brake Feedback Error (SE4)
0231H
Comm. ID Error (oFb30)
0059H
Reference M issing (FrL)
0232H
M odel Code Error (oFb31)
005BH
Initial magnet Pole Search Overtime (dv7)
0233H
Sumcheck Error (oFb32)
005D H
Initial magnet Pole Search Error (dv8)
0234H
Comm. option timeout waiting for response (oFb33)
0083H
A /D Conversion Error (CPF02)
0235H
M EM OBUS Timeout (oFb34)
0084H
PW M Data Fault (CPF03)
0236H
Drive tim eout waiting for response (oFb35)
0087H
EEPROM Memory Data Error (CPF06)
0237H
CI Check Error (oFb36)
0088H
Terminal Board Connection Error (CPF07)
0238H
Drive tim eout waiting for response (oFb37)
0089H
EEPROM Serial Communication Fault (CPF08)
0239H
Control Command Selection Error (oFb38)
008CH
R A M Fault (CPF11)
023AH
Drive timeout waiting for response (oFb39)
008D H
Flash Memory Circuit Exception (CPF12)
023BH
Control Response Selection 1 Error (oFb40)
008EH
Watchdog Circuit Exception (CPF13)
023CH
Drive timeout waiting for response (oFb41)
008FH
Control Circuit Fault (CPF14)
023DH
Control R esponse Selection 2 Error (oFb42)
0091H
Clock Fault (CPF16)
023EH
Control Response Selection Error (oFb43)
0092H
Timing Fault (CPF17)
0300H
Option Compatibility Error (oFC00)
0093H
Control Circuit Fault (CPF18)
0301H
Option not properly connected (oFC01)
0094H
Control Circuit Fault (CPF19)
0302H
Same type o f option card already connected (oFC02)
0095H
Hardware fault at power up (CPF20)
0305H
A /D Conversion Error (oFC05)
0096H
Hardware fault at communication start up (CPF21)
0306H
Option Response Error (oFC06)
0097H
A /D Conversion Fault (CPF22)
0351H
Encoder Option A /D Conversion Error (OFC50)
0098H
PW M Feedback Fault (CPF23)
0352H
Encoder Option Analog Circuit Error (OFC51)
0099H
Drive Unit Signal Fault (CPF24)
0353H
Encoder Communications Timeout (OFC52)
009A H
Terminal board is not properly connected. (CPF25)
0354H
Encoder Communications Data Error (OFC53)
009BH
ASIC BB Circuit Error (CPF26)
0355H
Encoder Error (OFC54)
♦ Alarm Register Contents
The table below shows the alarm codes that can be read out from MEMOBUS/Modbus register 007FH.
Table C.5 Alarm Register 007FH Contents
Alarm Code
Fault Name
Alarm Code
Fault Name
0001H
Undervoltage (U v)
0017H
Motor Overload (oL1)
0002H
Overvoltage (ov)
0018H
Drive Overload (oL2)
0003H
Heatsink Overheat (oH)
001AH
Option Card External Fault (EF0)
0005H
Overtorque 1 (oL3)
001DH
Serial Communication Transmission Error (CALL)
0006H
Overtorque 2 (oL4)
001EH
Undertorque Detection 1 (UL3)
0007H
U p/Dow n commands input error (EF)
001FH
Undertorque Detection 2 (UL4)
0008H
Drive Baseblock (bb)
0020H
MEM OBUS/M odbus Test M ode Fault (SE)
0009H
External Fault at input terminal S3 (EF3)
002BH
Encoder D isconnected (PGo)
000AH
External Fault at input terminal S4 (EF4)
0034H
High Current Alarm (HCA)
000BH
External Fault at input terminal S5 (EF5)
0035H
Cooling Fan Maintenance Time (LT-1)
000CH
External Fault at input terminal S6 (EF6)
0036H
Capacitor Maintenance Time (LT-2)
000DH
External Fault at input terminal S7 (EF7)
0038H
SI-S EEPROM Error (EEP)
000EH
External Fault at input terminal S8 (EF8)
003BH
Safe D isable Input (HbbF)
0010H
Overspeed (oS)
003CH
Safe D isable Input (Hbb)
0011H
E xcessive Speed Deviation (dEv)
0041H
Output Voltage Detection Fault (voF)
0012H
Encoder D isconnected (PGo)
0043H
Soft Charge Bypass Relay Maintenance Time (LT-3)
0014H
M EM OBUS/M odbus Communication Error (CE)
0044H
IGBT Maintenance Time (50%) (LT-4)
0015H
Option Communication Error (bUS)
0045H
Braking Transistor Overload (boL)
0016H
Serial Communication Transmission Error (CALL)
390
YASKAWA ELECTRIC SIEP C710616 33D YASKAWA AC Drive L1000A Technical Manual