Yaskawa GA500 fault codes: Find a comprehensive list of Yaskawa GA500 drive fault codes and their meanings. Quickly diagnose issues and troubleshoot your Yaskawa GA500 for efficient maintenance and minimal downtime.
Yaskawa GA500 fault codes
Below list shows Yaskawa GA500 fault codes:
Display (Hex.) |
Name |
ALM LED |
Type |
AEr (0032) |
Station Address Setting Error |
Flashing |
Alarm |
bAT (0085) |
Keypad Battery Low Voltage |
Flashing |
Alarm |
bAT (0402) |
Keypad Battery Low Voltage |
Illuminated |
Fault |
bb (0008) |
Baseblock |
Flashing |
Alarm |
bCE (008A) |
Bluetooth Communication Error |
Flashing |
Alarm |
bCE (0416) |
Bluetooth Communication Fault |
Illuminated |
Fault |
boL (0045) |
Braking Transistor Overload |
Flashing |
Alarm |
boL (004F) |
BrakingTransistor Overload Fault |
Illuminated |
Fault |
bUS (0015) |
Option Communication Error |
Flashing |
Alarm |
bUS (0022) |
Option Communication Error |
Illuminated |
Fault |
bUSy |
Busy |
- |
Not an alarm. |
CALL (001D) |
Serial Comm Transmission Error |
Flashing |
Alarm |
CE (0014) |
Modbus Communication Error |
Flashing |
Alarm |
CE (0021) |
Modbus Communication Error |
Illuminated |
Fault |
CF (0025) |
Control Fault |
Illuminated |
Fault |
CoF (0046) |
Current Offset Fault |
Illuminated |
Fault |
CP1 (0087) |
Comparator 1 Limit Error |
Flashing |
Alarm |
CP1 (0414) |
Comparator 1 Limit Error |
Illuminated |
Fault |
CP2 (0088) |
Comparator 2 Limit Error |
Flashing |
Alarm |
CP2 (0415) |
Comparator 2 Limit Error |
Illuminated |
Fault |
CPEr |
Control Mode Mismatch |
- |
Backup Function Runtime Error |
CPF00, CPF01 |
 |
 |
 |
CPF02, CPF03 (0083, 0084) |
 |
 |
 |
CPF08 (0089) CPF11 - CPF14 (008C - 008F) |
Control Circuit Error |
Illuminated |
Fault |
CPF16 - CPF24 (0091 - 0099) |
 |
 |
 |
CPF38 (00A7) |
 |
 |
 |
CPF06 (0087) |
EEPROM Memory Data Error |
Illuminated |
Fault |
CPyE |
Error Writing Data |
- |
Backup Function Runtime Error |
CrST |
Remove RUN Command to Reset |
Flashing |
Not an alarm. |
CSEr |
Control Mode Mismatch |
- |
Backup Function Runtime Error |
CyC (0033) |
MECHATROLINK CommCycleSettingErr |
Flashing |
Alarm |
CyPo (0029) |
Cycle Power to Accept Changes |
Flashing |
Alarm |
dCE1 (041A) |
Communication Error1 |
Illuminated |
Fault |
dCE2 (041B) |
Communication Error2 |
Illuminated |
Fault |
dEv (0011) |
Speed Deviation |
Flashing |
Alarm |
dEv (0019) |
Speed Deviation |
Illuminated |
Fault |
dFPS |
Drive Model Mismatch |
- |
Backup Function Runtime Error |
dnE (002A) |
Drive Disabled |
Flashing |
Alarm |
dv7 (005B) |
Polarity Judge Timeout |
Illuminated |
Fault |
dWA2 (004A) |
DriveWorksEZ Alarm 2 |
Flashing |
Alarm |
dWA3 (004B) |
DriveWorksEZ Alarm 3 |
Flashing |
Alarm |
dWAL (0049) |
DriveWorksEZ Alarm |
Flashing |
Alarm |
dWF1 (004A) |
EEPROM Memory DWEZ Data Error |
Illuminated |
Fault |
dWF2 (004B) |
DriveWorksEZ Fault 2 |
Illuminated |
Fault |
dWF3 (004C) |
DriveWorksEZ Fault 3 |
Illuminated |
Fault |
dWFL (0049) |
DriveWorksEZ Fault |
Illuminated |
Fault |
E5 (0031) |
MECHATROLINK Watchdog Timer Err |
Flashing |
Alarm |
E5 (0039) |
MECHATROLINK Watchdog Timer Err |
Illuminated |
Fault |
EF (0007) |
FWD/REV Run Command Input Error |
Flashing |
Alarm |
EF0 (001A) |
Option Card External Fault |
Flashing |
Alarm |
EF0 (0027) |
Option Card External Fault |
Illuminated |
Fault |
EF1 (0042) |
External Fault (Terminal S1) |
Illuminated |
Fault |
EF1 (0039) |
External Fault (Terminal S1) |
Flashing |
Alarm |
EF2 (003A) |
External Fault (Terminal S2) |
Flashing |
Alarm |
EF2 (0043) |
External Fault (Terminal S2) |
Illuminated |
Fault |
EF3 (0009) |
External Fault (Terminal S3) |
Flashing |
Alarm |
EF3 (0011) |
External Fault (Terminal S3) |
Illuminated |
Fault |
EF4 (000A) |
External Fault (Terminal S4) |
Flashing |
Alarm |
EF4 (0012) |
External Fault (Terminal S4) |
Illuminated |
Fault |
EF5 (000B) |
External Fault (Terminal S5) |
Flashing |
Alarm |
EF5 (0013) |
External Fault (Terminal S5) |
Illuminated |
Fault |
EF6 (000C) |
External Fault (Terminal S6) |
Flashing |
Alarm |
EF6 (0014) |
External Fault (Terminal S6) |
Illuminated |
Fault |
EF7 (000D) |
External Fault (Terminal S7) |
Flashing |
Alarm |
EF7 (0015) |
External Fault (Terminal S7) |
Illuminated |
Fault |
End1 |
Excessive Rated Voltage Setting |
Flashing |
Auto-Tuning Error |
End2 |
Iron Core Saturation Coefficient |
Flashing |
Auto-Tuning Error |
End3 |
Rated Current Setting Alarm |
Flashing |
Auto-Tuning Error |
End4 |
Adjusted Slip Calculation Error |
Flashing |
Auto-Tuning Error |
End5 |
Resistance Tuning Error |
Flashing |
Auto-Tuning Error |
End6 |
Leakage Inductance Alarm |
Flashing |
Auto-Tuning Error |
End7 |
No-Load Current Alarm |
Flashing |
Auto-Tuning Error |
End8 |
HFI Alarm |
Flashing |
Auto-Tuning Error |
End9 |
Initial Pole Detection Alarm |
Flashing |
Auto-Tuning Error |
EP24v (0081) |
External Power 24V Supply |
Flashing |
Alarm |
Er-01 |
Motor Data Error |
Flashing |
Auto-Tuning Error |
Er-02 |
Drive in an Alarm State |
Flashing |
Auto-Tuning Error |
Er-03 |
STOP Button was Pressed |
Flashing |
Auto-Tuning Error |
Er-04 |
Resistance Tuning Error |
Flashing |
Auto-Tuning Error |
Er-05 |
No-Load Current Alarm |
Flashing |
Auto-Tuning Error |
Er-08 |
Rated Slip Error |
Flashing |
Auto-Tuning Error |
Er-09 |
Acceleration Error |
Flashing |
Auto-Tuning Error |
Er-10 |
Motor Direction Error |
Flashing |
Auto-Tuning Error |
Er-11 |
Motor Speed Error |
Flashing |
Auto-Tuning Error |
Er-12 |
Current Detection Error |
Flashing |
Auto-Tuning Error |
Er-13 |
Leakage Inductance Alarm |
Flashing |
Auto-Tuning Error |
Er-14 |
Motor Speed Error 2 |
Flashing |
Auto-Tuning Error |
Er-15 |
Torque Saturation Error |
Flashing |
Auto-Tuning Error |
Er-16 |
Inertia ID Error |
Flashing |
Auto-Tuning Error |
Er-17 |
Reverse Prohibited Error |
Flashing |
Auto-Tuning Error |
Er-18 |
Back EMF Error |
Flashing |
Auto-Tuning Error |
Er-19 |
PM Inductance Error |
Flashing |
Auto-Tuning Error |
Er-20 |
Stator Resistance Error |
Flashing |
Auto-Tuning Error |
Er-25 |
HighFreq Inject Param Tuning Err |
Flashing |
Auto-Tuning Error |
Err (001F) |
EEPROM Write Error |
Illuminated |
Fault |
FbH (0028) |
Excessive PID Feedback |
Flashing |
Alarm |
FbH (0041) |
Excessive PID Feedback |
Illuminated |
Fault |
FbL (0027) |
PID Feedback Loss |
Flashing |
Alarm |
FbL (0028) |
PID Feedback Loss |
Illuminated |
Fault |
GF (0006) |
Ground Fault |
Illuminated |
Fault |
HCA (0034) |
High Current Alarm |
Flashing |
Alarm |
iFEr |
Communication Err |
- |
Backup Function Runtime Error |
L24v (0021) |
Loss of External Power 24 Supply |
Flashing |
Alarm |
LF (001C) |
Output Phase Loss |
Illuminated |
Fault |
LF2 (0036) |
Output Current Imbalance |
Illuminated |
Fault |
LoG |
Log Com Error |
Flashing |
Alarm |
LSo (0051) |
Low Speed Motor Step-Out |
Illuminated |
Fault |
LT-1 (0035) |
Cooling Fan Maintenance Time |
Flashing |
Alarm |
LT-2 (0036) |
Capacitor Maintenance Time |
Flashing |
Alarm |
LT-3 (0043) |
SoftChargeBypassRelay MainteTime |
Flashing |
Alarm |
LT-4 (0044) |
IGBT Maintenance Time (50%) |
Flashing |
Alarm |
ndAT |
Model,VolClass,Capacity Mismatch |
- |
Backup Function Runtime Error |
nSE (0052) |
Node Setup Error |
Illuminated |
Fault |
oC (0007) |
Overcurrent |
Illuminated |
Fault |
oFA00 (0101) |
Option Not Compatible with Port |
Illuminated |
Fault |
oFA03 - oFA06 (0104 - 0107) |
Option Card Error Occurred at Option Port (CN5) |
Illuminated |
Fault |
oFA10, oFA11 (0111, 0112) |
Option Card Error Occurred at Option Port (CN5) |
Illuminated |
Fault |
oFA12 - oFA17 (0113 - 0118) |
Option Card Connection Error (CN5) |
Illuminated |
Fault |
oFA30 - oFA43 (0131 - 013E) |
Communication Option Card Connection Error (CN5) |
Illuminated |
Fault |
oH (0003) |
Heatsink Overheat |
Flashing |
Alarm |
oH (0009) |
Heatsink Overheat |
Illuminated |
Fault |
oH1 (000A) |
Heatsink Overheat |
Illuminated |
Fault |
oH2 (0004) |
External Overheat (H1-XX=B) |
Flashing |
Alarm |
oH3 (001D) |
Motor Overheat (PTC Input) |
Illuminated |
Fault |
oH3 (0022) |
Motor Overheat (PTC Input) |
Flashing |
Alarm |
oH4 (0020) |
Motor Overheat Fault (PTC Input) |
Illuminated |
Fault |
oL1 (000B) |
Motor Overload |
Illuminated |
Fault |
oL2 (000C) |
Drive Overload |
Illuminated |
Fault |
oL3 (0005) |
Overtorque 1 |
Flashing |
Alarm |
oL3 (000D) |
Overtorque Detection 1 |
Illuminated |
Fault |
oL4 (0006) |
Overtorque 2 |
Flashing |
Alarm |
oL4 (000E) |
Overtorque Detection 2 |
Illuminated |
Fault |
oL5 (003D) |
Mechanical Weakening Detection 1 |
Flashing |
Alarm |
oL5 (0044) |
Mechanical Weakening Detection 1 |
Illuminated |
Fault |
oL7 (002B) |
High Slip Braking Overload |
Illuminated |
Fault |
oPE01 |
Drive Capacity Setting Fault |
Flashing |
Parameter Setting Error |
oPE02 |
Parameter Range Setting Error |
Flashing |
Parameter Setting Error |
oPE03 |
Multi-Function Input Setting Err |
Flashing |
Parameter Setting Error |
oPE05 |
Run Cmd/Freq Ref Source Sel Err |
Flashing |
Parameter Setting Error |
oPE07 |
Analog Input Selection Error |
Flashing |
Parameter Setting Error |
oPE08 |
Parameter Selection Error |
Flashing |
Parameter Setting Error |
oPE09 |
PID Control Selection Fault |
Flashing |
Parameter Setting Error |
oPE10 |
V/f Data Setting Error |
Flashing |
Parameter Setting Error |
oPE11 |
Carrier Frequency Setting Error |
Flashing |
Parameter Setting Error |
oPE13 |
Pulse Monitor Selection Error |
Flashing |
Parameter Setting Error |
oPE16 |
Energy Saving Constants Error |
Flashing |
Parameter Setting Error |
oPE33 |
Digital Output Selection Error |
Flashing |
Parameter Setting Error |
oPr (001E) |
Keypad Connection Fault |
Illuminated |
Fault |
oS (0010) |
Overspeed |
Flashing |
Alarm |
oS (0018) |
Overspeed |
Illuminated |
Fault |
ov (0002) |
Overvoltage |
Flashing |
Alarm |
ov (0008) |
Overvoltage |
Illuminated |
Fault |
ovEr |
Too Many Parameters Changed |
- |
Not an alarm. |
PASS |
Modbus Communication Test |
Flashing |
Not an alarm. |
PE1 (0047) PE2 (0048) |
 PLC Faults |
 Illuminated |
 Fault |
PF (0047) |
Input Phase Loss |
Flashing |
Alarm |
PF (001B) |
Input Phase Loss |
Illuminated |
Fault |
PWEr |
DWEZ Password Mismatch |
- |
Backup Function Runtime Error |
rdEr |
Error Reading Data |
- |
Backup Function Runtime Error |
rF (004E) |
Braking Resistor Fault |
Illuminated |
Fault |
rH (0010) |
Braking Resistor Overheat |
Illuminated |
Fault |
rr (000F) |
Dynamic Braking Transistor Fault |
Illuminated |
Fault |
rUn (001B) |
Motor Switch during Run |
Flashing |
Alarm |
SC (0005) |
Short Circuit/IGBT Failure |
Illuminated |
Fault |
SCF (040F) |
Safety Circuit Fault |
Illuminated |
Fault |
SE (0020) |
Modbus Test Mode Error |
Flashing |
Alarm |
SEr (003B) |
Speed Search Retries Exceeded |
Illuminated |
Fault |
SToF (003B) |
Safe Torque OFF |
Flashing |
Alarm |
STPo (0037) |
Motor Step-Out Detected |
Illuminated |
Fault |
TiM (0089) |
Keypad Time Not Set |
Flashing |
Alarm |
TiM (0401) |
Keypad Time Not Set |
Illuminated |
Fault |
TrPC (0042) |
IGBT Maintenance Time (90%) |
Flashing |
Alarm |
UL3 (001E) |
Undertorque Detection 1 |
Flashing |
Alarm |
UL3 (0029) |
Undertorque Detection 1 |
Illuminated |
Fault |
UL4 (001F) |
Undertorque Detection 2 |
Flashing |
Alarm |
UL4 (002A) |
Undertorque Detection 2 |
Illuminated |
Fault |
UL5 (003E) |
Mechanical Weakening Detection 2 |
Flashing |
Alarm |
UL5 (0045) |
Mechanical Weakening Detection 2 |
Illuminated |
Fault |
Uv (0001) |
DC Bus Undervoltage |
Flashing |
Alarm |
Uv1 (0002) |
DC Bus Undervoltage |
Illuminated |
Fault |
Uv2 (0003) |
Control Power Undervoltage |
Illuminated |
Fault |
Uv3 (0004) |
Soft Charge Answerback Fault |
Illuminated |
Fault |
vAEr |
Voltage Class, Capacity Mismatch |
- |
Backup Function Runtime Error |
vFyE |
Parameters do not Match |
- |
Backup Function Runtime Error |