Troubleshooting
2
2.3 List of Fault, Minor Fault, Alarm, and Error Codes
YASKAWA TOEPYAIGA5001A GA500 DRIVE MAINTENANCE & TROUBLESHOOTING 33
2.3 List of Fault, Minor Fault, Alarm, and Error Codes
Table 2.2 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.
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 2.2 List of Fault, Minor Fault, Alarm, and Error Codes
Display (Hex.) Name ALM LED Type Ref.
AEr (0032) Station Address Setting Error Flashing Alarm 60
bAT (0085) Keypad Battery Low Voltage Flashing Alarm 60
bAT (0402) Keypad Battery Low Voltage Illuminated Fault 38
bb (0008) Baseblock Flashing Alarm 60
bCE (008A) Bluetooth Communication Error Flashing Alarm 60
bCE (0416) Bluetooth Communication Fault Illuminated Fault
Missing
reference ID
boL (0045) Braking Transistor Overload Flashing Alarm 60
boL (004F) BrakingTransistor Overload Fault Illuminated Fault 38
bUS (0015) Option Communication Error Flashing Alarm 60
bUS (0022) Option Communication Error Illuminated Fault 38
bUSy Busy - Not an alarm. 61
CALL (001D) Serial Comm Transmission Error Flashing Alarm 61
CE (0014) Modbus Communication Error Flashing Alarm 61
CE (0021) Modbus Communication Error Illuminated Fault 38
CF (0025) Control Fault Illuminated Fault 39
CoF (0046) Current Offset Fault Illuminated Fault 39
CP1 (0087) Comparator 1 Limit Fault Flashing Alarm 61
CP1 (0414) Comparator 1 Limit Fault Illuminated Fault 39
CP2 (0088) Comparator 2 Limit Fault Flashing Alarm 62
CP2 (0415) Comparator 2 Limit Fault Illuminated Fault 39
CPEr Control Mode Mismatch - Backup Function Runtime Error 79
CPF00 Control Circuit Error Illuminated Fault 40
CPF01 Control Circuit Error Illuminated Fault 40
CPF02, CPF03 (0083, 0084) Control Circuit Error Illuminated Fault 40, 40
CPF06 (0087) Control Circuit Error (EEPROM Memory Data Error) Illuminated Fault 40
CPF08 (0089) Terminal Board Connection Error Illuminated Fault 40
CPF11 - CPF14 (008C - 008F) Control Circuit Error Illuminated Fault 40 - 41
CPF16 - CPF24 (0091 - 0099) Control Circuit Error Illuminated Fault 41 - 42
CPF38 (00A7) EEPROM Memory Data Error Illuminated Fault 42
CPyE Error Writing Data - Backup Function Runtime Error 79
CrST Remove RUN Command to Reset Flashing Not an alarm. 62
CSEr Control Mode Mismatch - Backup Function Runtime Error 79
CyC (0033) MECHATROLINK CommCycleSettingErr Flashing Alarm 62
CyPo (0029) Cycle Power to Accept Changes Flashing Alarm 62
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