List of Fault, Minor Fault, Alarm, and Error Codes

Table 1 shows the possible fault, minor fault, alarm, and error codes.

The display codes are in alphabetical order. Search the table for the code shown on the keypad, and identify its causes and possible solutions.

Note:

The number in parentheses adjacent to the code in the table identifies the fault code or minor fault code (hex. number) that was read during MEMOBUS/Modbus communications.

Example: AEr (0032)

Table 1. List of Fault, Minor Fault, Alarm, and Error Codes

Display (Hex.)

Name

ALM LED

Type

Ref.

AEr (0032)

Station Address Setting Error

Flashing

Alarm

AEr

bAT (0085)

Keypad Battery Low Voltage

Flashing

Alarm

bAT

bAT (0402)

Keypad Battery Low Voltage

Illuminated

Fault

bAT

bb (0008)

Baseblock

Flashing

Alarm

bb

bCE (008A)

Bluetooth Communication Error

Flashing

Alarm

bCE

bCE (0416)

Bluetooth Communication Fault

Illuminated

Fault

bCE

boL (0045)

Braking Transistor Overload

Flashing

Alarm

boL

boL (004F)

BrakingTransistor Overload Fault

Illuminated

Fault

boL

bUS (0015)

Option Communication Error

Flashing

Alarm

bUS

bUS (0022)

Option Communication Error

Illuminated

Fault

bUS

bUSy

Busy

-

Not an alarm.

bUSy

CALL (001D)

Serial Comm Transmission Error

Flashing

Alarm

CALL

CE (0014)

Modbus Communication Error

Flashing

Alarm

CE

CE (0021)

Modbus Communication Error

Illuminated

Fault

CE

CF (0025)

Control Fault

Illuminated

Fault

CF

CoF (0046)

Current Offset Fault

Illuminated

Fault

CoF

CP1 (0087)

Comparator 1 Limit Error

Flashing

Alarm

CP1

CP1 (0414)

Comparator 1 Limit Fault

Illuminated

Fault

CP1

CP2 (0088)

Comparator 2 Limit Error

Flashing

Alarm

CP2

CP2 (0415)

Comparator 2 Limit Fault

Illuminated

Fault

CP2

CPF00

Control Circuit Error

Illuminated

Fault

CPF00

CPF01

Control Circuit Error

Illuminated

Fault

CPF01

CPF02 (0083)

CPF03 (0084)

Control Circuit Error

Illuminated

Fault

CPF02, CPF03

CPF06 (0087)

Control Circuit Error (EEPROM Memory Data Error)

Illuminated

Fault

CPF06

CPF07 (0088)

CPF08 (0089)

Control Circuit Error

Illuminated

Fault

CPF07, CPF08

CPF10 (008B) - CPF14 (008F)

Control Circuit Error

Illuminated

Fault

CPF10 - CPF14

CPF16 (0091) - CPF23 (0098)

Control Circuit Error

Illuminated

Fault

CPF16, CPF23

CPF24 (0099)

Control Circuit Error (Drive Unit Signal Fault)

Illuminated

Fault

CPF24

CPF26 (009B) - CPF39 (00A8)

Control Circuit Error

Illuminated

Fault

CPF26, CPF39

CPyE

Error Writing Data

-

Backup Function Runtime Error

CPyE

CrST

Remove RUN Command to Reset

Flashing

Not an alarm.

CrST

CSEr

Control Mode Mismatch

-

Backup Function Runtime Error

CSEr

CyC (0033)

MECHATROLINK CommCycleSettingErr

Flashing

Alarm

CyC

CyPo (0029)

Cycle Power to Accept Changes

Flashing

Alarm

CyPo

dEv (0011)

Speed Deviation

Flashing

Alarm

dEv

dEv (0019)

Speed Deviation

Illuminated

Fault

dEv

dFPS

Drive Model Mismatch

-

Backup Function Runtime Error

dFPS

dnE (002A)

Drive Disabled

Flashing

Alarm

dnE

dv1 (0032)

Z Pulse Fault

Illuminated

Fault

dv1

dv2 (0033)

Z Pulse Noise Fault Detection

Illuminated

Fault

dv2

dv3 (0034)

Inversion Detection

Illuminated

Fault

dv3

dv4 (0035)

Inversion Prevention Detection

Illuminated

Fault

dv4

dv7 (005B)

Polarity Judge Timeout

Illuminated

Fault

dv7

dWA2 (004A)

DriveWorksEZ Alarm 2

Flashing

Alarm

dWA2

dWA3 (004B)

DriveWorksEZ Alarm 3

Flashing

Alarm

dWA3

dWAL (0049)

DriveWorksEZ Alarm

Flashing

Alarm

dWAL

dWF1 (004A)

EEPROM Memory DWEZ Data Error

Illuminated

Fault

dWF1

dWF2 (004B)

DriveWorksEZ Fault 2

Illuminated

Fault

dWF2

dWF3 (004C)

DriveWorksEZ Fault 3

Illuminated

Fault

dWF3

dWFL (0049)

DriveWorksEZ Fault

Illuminated

Fault

dWFL

E5 (0031)

MECHATROLINK Watchdog Timer Err

Flashing

Alarm

E5

E5 (0039)

MECHATROLINK Watchdog Timer Err

Illuminated

Fault

 

E5

 

EF (0007)

FWD/REV Run Command Input Error

Flashing

Alarm

EF

EF0 (001A)

Option Card External Fault

Flashing

Alarm

EF0

EF0 (0027)

Option Card External Fault

Illuminated

Fault

EF0

EF1 (0042)

External Fault (Terminal S1)

Illuminated

Fault

EF1

EF1 (0039)

External Fault (Terminal S1)

Flashing

Alarm

EF1

EF2 (003A)

External Fault (Terminal S2)

Flashing

Alarm

EF2

EF2 (0043)

External Fault (Terminal S2)

Illuminated

Fault

EF2

EF3 (0009)

External Fault (Terminal S3)

Flashing

Alarm

EF3

EF3 (0011)

External Fault (Terminal S3)

Illuminated

Fault

EF3

EF4 (000A)

External Fault (Terminal S4)

Flashing

Alarm

EF4

EF4 (0012)

External Fault (Terminal S4)

Illuminated

Fault

EF4

EF5 (000B)

External Fault (Terminal S5)

Flashing

Alarm

EF5

EF5 (0013)

External Fault (Terminal S5)

Illuminated

Fault

EF5

EF6 (000C)

External Fault (Terminal S6)

Flashing

Alarm

EF6

EF6 (0014)

External Fault (Terminal S6)

Illuminated

Fault

EF6

EF7 (000D)

External Fault (Terminal S7)

Flashing

Alarm

EF7

EF7 (0015)

External Fault (Terminal S7)

Illuminated

Fault

EF7

EF8 (000E)

External Fault (Terminal S8)

Flashing

Alarm

EF8

EF8 (0016)

External Fault (Terminal S8)

Illuminated

Fault

EF8

End1

Excessive Rated Voltage Setting

Flashing

Auto-Tuning Error

End1

End2

Iron Core Saturation Coefficient

Flashing

Auto-Tuning Error

End2

End3

Rated Current Setting Alarm

Flashing

Auto-Tuning Error

End3

End4

Adjusted Slip Calculation Error

Flashing

Auto-Tuning Error

End4

End5

Resistance Tuning Error

Flashing

Auto-Tuning Error

End5

End6

Leakage Inductance Alarm

Flashing

Auto-Tuning Error

End6

End7

No-Load Current Alarm

Flashing

Auto-Tuning Error

End7

End8

HFI Alarm

Flashing

Auto-Tuning Error

End8

End9

Initial Pole Detection Alarm

Flashing

Auto-Tuning Error

End9

EP24v (0081)

External Power 24V Supply

Flashing

Alarm

EP24v

Er-01

Motor Data Error

Flashing

Auto-Tuning Error

Er-01

Er-02

Drive in an Alarm State

Flashing

Auto-Tuning Error

Er-02

Er-03

STOP Button was Pressed

Flashing

Auto-Tuning Error

Er-03

Er-04

Line-to-Line Resistance Error

Flashing

Auto-Tuning Error

Er-04

Er-05

No-Load Current Error

Flashing

Auto-Tuning Error

Er-05

Er-08

Rated Slip Error

Flashing

Auto-Tuning Error

Er-08

Er-09

Acceleration Error

Flashing

Auto-Tuning Error

Er-09

Er-10

Motor Direction Error

Flashing

Auto-Tuning Error

Er-10

Er-11

Motor Speed Error

Flashing

Auto-Tuning Error

Er-11

Er-12

Current Detection Error

Flashing

Auto-Tuning Error

Er-12

Er-13

Leakage Inductance Error

Flashing

Auto-Tuning Error

Er-13

Er-14

Motor Speed Error 2

Flashing

Auto-Tuning Error

Er-14

Er-15

Torque Saturation Error

Flashing

Auto-Tuning Error

Er-15

Er-16

Inertia ID Error

Flashing

Auto-Tuning Error

Er-16

Er-17

Reverse Prohibited Error

Flashing

Auto-Tuning Error

Er-17

Er-18

Back EMF Error

Flashing

Auto-Tuning Error

Er-18

Er-19

PM Inductance Error

Flashing

Auto-Tuning Error

Er-19

Er-20

Stator Resistance Error

Flashing

Auto-Tuning Error

Er-20

Er-21

Z Pulse Correction Error

Flashing

Auto-Tuning Error

Er-21

Er-25

HighFreq Inject Param Tuning Err

Flashing

Auto-Tuning Error

Er-25

Err (001F)

EEPROM Write Error

Illuminated

Fault

Err

FAn (000F)

Internal Fan Fault

Flashing

Alarm

FAn

FAn (0017)

Internal Fan Fault

Illuminated

Fault

FAn

FAn1 (0413)

Drive Cooling Fan Fault

Illuminated

Fault

FAn1

FbH (0028)

Excessive PID Feedback

Flashing

Alarm

FbH

FbH (0041)

Excessive PID Feedback

Illuminated

Fault

FbH

FbL (0027)

PID Feedback Loss

Flashing

Alarm

FbL

FbL (0028)

PID Feedback Loss

Illuminated

Fault

FbL

GF (0006)

Ground Fault

Illuminated

Fault

GF

HCA (0034)

High Current Alarm

Flashing

Alarm

HCA

HLCE (0411)

High Level Communication Errors

Illuminated

Fault

HLCE

iFEr

Communication Err

-

Backup Function Runtime Error

iFEr

L24v (0021)

Loss of External Power 24 Supply

Flashing

Alarm

L24v

LF (001C)

Output Phase Loss

Illuminated

Fault

LF

LF2 (0036)

Output Current Imbalance

Illuminated

Fault

LF2

LoG

Log Com Error

Flashing

Alarm

LoG

LSo (0051)

Low Speed Motor Step-Out

Illuminated

Fault

LSo

LT-1 (0035)

Cooling Fan Maintenance Time

Flashing

Alarm

LT-1

LT-2 (0036)

Capacitor Maintenance Time

Flashing

Alarm

LT-2

LT-3 (0043)

SoftChargeBypassRelay MainteTime

Flashing

Alarm

LT-3

LT-4 (0044)

IGBT Maintenance Time (50%)

Flashing

Alarm

LT-4

ndAT

Model,VolClass,Capacity Mismatch

-

Backup Function Runtime Error

ndAT

nSE (0052)

Node Setup Error

Illuminated

Fault

nSE

oC (0007)

Overcurrent

Illuminated

Fault

oC

oFA00 (0101)

Option Not Compatible with Port

Illuminated

Fault

oFA00

oFA01 (0102)

Option Fault/Connection Error

Illuminated

Fault

oFA01

oFA02 (0103)

Duplicate Options

Illuminated

Fault

oFA02

oFA03 (0104) - oFA06 (0107)

Option Card Error at Option Port (CN5-A)

Illuminated

Fault

oFA03, oFA06

oFA10 (0111)

oFA11 (0112)

Option Card Error at Option Port (CN5-A)

Illuminated

Fault

oFA10, oFA11

oFA12 (0113) - oFA17 (0118)

Option Card Connection Error (CN5-A)

Illuminated

Fault

oFA12 - oFA17

oFA30 (0131) - oFA43 (013E)

Communication Option Card Connection Error (CN5-A)

Illuminated

Fault

oFA30 - oFA43

oFb00 (0201)

Option Not Compatible with Port

Illuminated

Fault

oFb00

oFb01 (0202)

Option Fault/Connection Error

Illuminated

Fault

oFb01

oFb02 (0203)

Duplicate Options

Illuminated

Fault

oFb02

oFb03 (0204) - oFb11 (0212)

Option Card Error Occurred at Option Port (CN5-B)

Illuminated

Fault

oFb03 - oFb11

oFb12 (0213) - oFb17 (0218)

Option Card Connection Error (CN5-B)

Illuminated

Fault

oFb12 - oFb17

oFC00 (0301)

Option Not Compatible with Port

Illuminated

Fault

oFC00

oFC01 (0302)

Option Fault/Connection Error

Illuminated

Fault

oFC01

oFC02 (0303)

Duplicate Options

Illuminated

Fault

oFC02

oFC03 (0304) - oFC11 (0312)

Option Card Error Occurred at Option Port (CN5-C)

Illuminated

Fault

oFC03 - oFC11

oFC12 (0313) - oFC17 (0318)

Option Card Connection Error (CN5-C)

Illuminated

Fault

oFC12- oFC17

oFC50 (0351) - oFC55 (0356)

Option Card Error Occurred at Option Port (CN5-C)

Illuminated

Fault

oFC50 - oFC55

oH (0003)

Heatsink Overheat

Flashing

Alarm

oH

oH (0009)

Heatsink Overheat

Illuminated

Fault

oH

oH1 (000A)

Heatsink Overheat

Illuminated

Fault

oH1

oH2 (0004)

External Overheat (H1-XX=B)

Flashing

Alarm

oH2

oH3 (001D)

Motor Overheat (PTC Input)

Illuminated

Fault

oH3

oH3 (0022)

Motor Overheat (PTC Input)

Flashing

Alarm

oH3

oH4 (0020)

Motor Overheat Fault (PTC Input)

Illuminated

Fault

oH4

oH5 (0048)

Motor Overheat (NTC Input)

Flashing

Alarm

oH5

oH5 (0050)

Motor Overheat (NTC Input)

Illuminated

Fault

oH5

oL1 (000B)

Motor Overload

Illuminated

Fault

oL1

oL2 (000C)

Drive Overload

Illuminated

Fault

oL2

oL3 (0005)

Overtorque 1

Flashing

Alarm

oL3

oL3 (000D)

Overtorque Detection 1

Illuminated

Fault

oL3

oL4 (0006)

Overtorque 2

Flashing

Alarm

oL4

oL4 (000E)

Overtorque Detection 2

Illuminated

Fault

oL4

oL5 (003D)

Mechanical Weakening Detection 1

Flashing

Alarm

oL5

oL5 (0044)

Mechanical Weakening Detection 1

Illuminated

Fault

oL5

oL7 (002B)

High Slip Braking Overload

Illuminated

Fault

oL7

oPE01

Drive Capacity Setting Fault

Flashing

Parameter Setting Error

oPE01

oPE02

Parameter Range Setting Error

Flashing

Parameter Setting Error

oPE02

oPE03

Multi-Function Input Setting Err

Flashing

Parameter Setting Error

oPE03

oPE05

Run Cmd/Freq Ref Source Sel Err

Flashing

Parameter Setting Error

oPE05

oPE06

Control Method Selection Error

Flashing

Parameter Setting Error

oPE06

oPE07

Analog Input Selection Error

Flashing

Parameter Setting Error

oPE07

oPE08

Parameter Selection Error

Flashing

Parameter Setting Error

oPE08

oPE09

PID Control Selection Fault

Flashing

Parameter Setting Error

oPE09

oPE10

V/f Data Setting Error

Flashing

Parameter Setting Error

oPE10

oPE11

Carrier Frequency Setting Error

Flashing

Parameter Setting Error

oPE11

oPE13

Pulse Monitor Selection Error

Flashing

Parameter Setting Error

oPE13

oPE15

Torque Control Setting Error

Flashing

Parameter Setting Error

oPE15

oPE16

Energy Saving Constants Error

Flashing

Parameter Setting Error

oPE16

oPE18

Online Tuning Param Setting Err

Flashing

Parameter Setting Error

oPE18

oPE20

PG-F3 Setting Error

Flashing

Parameter Setting Error

oPE20

oPE33

Digital Output Selection Error

Flashing

Parameter Setting Error

oPE33

oPr (001E)

Keypad Connection Fault

Illuminated

Fault

oPr

oS (0010)

Overspeed

Flashing

Alarm

oS

oS (0018)

Overspeed

Illuminated

Fault

oS

ov (0002)

DC Bus Overvoltage

Flashing

Alarm

ov

ov (0008)

Overvoltage

Illuminated

Fault

ov

ovEr

Too Many Parameters Changed

-

Not an alarm.

ovEr

PASS

Modbus Communication Test

Flashing

Not an alarm.

PASS

PE1 (0047)

PLC Fault 1

Illuminated

Fault

PE1

PE2 (0048)

PLC Fault 2

Illuminated

Fault

PE2

PF (0047)

Input Phase Loss

Flashing

Alarm

PF

PF (001B)

Input Phase Loss

Illuminated

Fault

PF

PGo (0012)

Encoder (PG) Feedback Loss

Flashing

Alarm

PGo

PGo (001A)

Encoder (PG) Feedback Loss

Illuminated

Fault

PGo

PGoH (002B)

Encoder (PG) Hardware Fault

Flashing

Alarm

PGoH

PGoH (0038)

Encoder (PG) Hardware Fault

Illuminated

Fault

PGoH

PSE (0437)

JOHB-SMP3 Protocol Set Error

Illuminated

Fault

PSE

PWEr

DWEZ Password Mismatch

-

Backup Function Runtime Error

PWEr

rdEr

Error Reading Data

-

Backup Function Runtime Error

rdEr

rF (004E)

Braking Resistor Fault

Illuminated

Fault

rF

rH (0010)

Braking Resistor Overheat

Illuminated

Fault

rH

rr (000F)

Dynamic Braking Transistor Fault

Illuminated

Fault

rr

rUn (001B)

Motor Switch during Run

Flashing

Alarm

rUn

SC (0005)

Short Circuit/IGBT Failure

Illuminated

Fault

SC

SCF (040F)

Safety Circuit Fault

Illuminated

Fault

SCF

SE (0020)

Modbus Test Mode Error

Flashing

Alarm

SE

SEr (003B)

Speed Search Retries Exceeded

Illuminated

Fault

SEr

STo (003C)

Safe Torque OFF

-

Alarm

STo

SToF (003B)

Safe Torque OFF

Flashing

Alarm

SToF

STPo (0037)

Motor Step-Out Detected

Illuminated

Fault

STPo

SvE (0026)

Zero Servo Fault

Illuminated

Fault

SvE

THo (004D)

Thermistor Disconnect

Flashing

Alarm

THo

THo (0053)

Thermistor Disconnect

Illuminated

Fault

THo

TiM (0089)

Keypad Time Not Set

Flashing

Alarm

TiM

TiM (0401)

Keypad Time Not Set

Illuminated

Fault

TiM

TrPC (0042)

IGBT Maintenance Time (90%)

Flashing

Alarm

TrPC

UL3 (001E)

Undertorque Detection 1

Flashing

Alarm

UL3

UL3 (0029)

Undertorque Detection 1

Illuminated

Fault

UL3

UL4 (001F)

Undertorque Detection 2

Flashing

Alarm

UL4

UL4 (002A)

Undertorque Detection 2

Illuminated

Fault

UL4

UL5 (003E)

Mechanical Weakening Detection 2

Flashing

Alarm

UL5

UL5 (0045)

Mechanical Weakening Detection 2

Illuminated

Fault

UL5

Uv (0001)

Undervoltage

Flashing

Alarm

Uv

Uv1 (0002)

DC Bus Undervoltage

Illuminated

Fault

Uv1

Uv2 (0003)

Control Power Undervoltage

Illuminated

Fault

Uv2

Uv3 (0004)

Soft Charge Answerback Fault

Illuminated

Fault

Uv3

vAEr

Voltage Class, Capacity Mismatch

-

Backup Function Runtime Error

vAEr

vFyE

Parameters do not Match

-

Backup Function Runtime Error

vFyE