Troubleshooting
7
7.3 List of Fault, Minor Fault, Alarm, and Error Codes
YASKAWA SIEPYEULA5001C LA500 Technical Manual 169
7.3 List of Fault, Minor Fault, Alarm, and Error Codes
Table 7.2 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.
Table 7.2 List of Fault, Minor Fault, Alarm, and Error Codes
Display (Hex.) Name ALM LED Type Ref.
bAT (0085) Keypad Battery Low Voltage Flashing Alarm 184
bAT (0402) Keypad Battery Low Voltage Illuminated Fault 172
bb (0008) Baseblock Flashing Alarm 184
bCE (008A) Bluetooth Communication Error Flashing Alarm 184
bCE (0416) Bluetooth Communication Fault Illuminated Fault 172
boL (0045) Braking Transistor Overload Flashing Alarm 184
boL (004F) BrakingTransistor Overload Fault Illuminated Fault 172
bUS (0022) Option Communication Error Illuminated Fault 172
CE (0021) Modbus Communication Error Illuminated Fault 172
CF (0025) Control Fault Illuminated Fault 173
CoF (0046) Current Offset Fault Illuminated Fault 173
CPEr Control Mode Mismatch - Backup Function Runtime Error 195
CPF00 Control Circuit Error Illuminated Fault 173
CPF01 Control Circuit Error Illuminated Fault 173
CPF02, CPF03 (0083, 0084) Control Circuit Error Illuminated Fault 173, 174
CPF06 (0087) EEPROM Memory Data Error Illuminated Fault 174
CPF08 (0089) Terminal Board Connection Error Illuminated Fault 174
CPF11 - CPF14 (008C - 008F) Control Circuit Error Illuminated Fault 174 - 174
CPF16 - CPF24 (0091 - 0099) Control Circuit Error Illuminated Fault 174 - 174
CPF38 (00A7) EEPROM Memory Data Error Illuminated Fault 175
CPyE Error Writing Data - Backup Function Runtime Error 195
CrST Remove RUN Command to Reset Flashing Not an alarm. 184
CSEr Control Mode Mismatch - Backup Function Runtime Error 195
dFPS Drive Model Mismatch - Backup Function Runtime Error 195
dv7 (005B) Polarity Judge Timeout Illuminated Fault 175
EF (0007) FWD/REV Run Command Input Error Flashing Alarm 184
EF1 (0042) External Fault (Terminal S1) Illuminated Fault 175
EF1 (0039) External Fault (Terminal S1) Flashing Alarm 184
EF2 (003A) External Fault (Terminal S2) Flashing Alarm 184
EF2 (0043) External Fault (Terminal S2) Illuminated Fault 175
EF3 (0009) External Fault (Terminal S3) Flashing Alarm 185
EF3 (0011) External Fault (Terminal S3) Illuminated Fault 176
EF4 (000A) External Fault (Terminal S4) Flashing Alarm 185
EF4 (0012) External Fault (Terminal S4) Illuminated Fault 176
EF5 (000B) External Fault (Terminal S5) Flashing Alarm 185
EF5 (0013) External Fault (Terminal S5) Illuminated Fault 176
EF6 (000C) External Fault (Terminal S6) Flashing Alarm 185
EF6 (0014) External Fault (Terminal S6) Illuminated Fault 176
EF7 (000D) External Fault (Terminal S7) Flashing Alarm 185
EF7 (0015) External Fault (Terminal S7) Illuminated Fault 176
End1 Excessive Rated Voltage Setting Flashing Auto-Tuning Error 192
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