6.5 Faults
476 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Code Name Causes Possible Solutions
CPF24 Drive Unit Signal Fault
A drive hardware problem occurred. • Re-energize the drive.
• If the fault stays, replace the control board or the drive. For
information about replacing the control board, contact Yaskawa
or your nearest sales representative.
Note:
• Do a Fault Reset to clear the fault.
• Fault trace is not available for these faults.
Code Name Causes Possible Solutions
CPF26 BB Circuit Error
A drive hardware problem occurred. • Re-energize the drive.
• If the fault stays, replace the control board or the drive. For
information about replacing the control board, contact Yaskawa
or your nearest sales representative.
Note:
• Do a Fault Reset to clear the fault.
• Fault trace is not available for these faults.
Code Name Causes Possible Solutions
CPF27 PWM Set Reg Error
A drive hardware problem occurred. • Re-energize the drive.
• If the fault stays, replace the control board or the drive. For
information about replacing the control board, contact Yaskawa
or your nearest sales representative.
Note:
• Do a Fault Reset to clear the fault.
• Fault trace is not available for these faults.
Code Name Causes Possible Solutions
CPF28 PWM Pattern Error
A drive hardware problem occurred. • Re-energize the drive.
• If the fault stays, replace the control board or the drive. For
information about replacing the control board, contact Yaskawa
or your nearest sales representative.
Note:
• Do a Fault Reset to clear the fault.
• Fault trace is not available for these faults.
Code Name Causes Possible Solutions
CPF29 On-Delay Error
A drive hardware problem occurred. • Re-energize the drive.
• If the fault stays, replace the control board or the drive. For
information about replacing the control board, contact Yaskawa
or your nearest sales representative.
Note:
• Do a Fault Reset to clear the fault.
• Fault trace is not available for these faults.
Code Name Causes Possible Solutions
CPF30 BB On Error
A drive hardware problem occurred. • Re-energize the drive.
• If the fault stays, replace the control board or the drive. For
information about replacing the control board, contact Yaskawa
or your nearest sales representative.
Note:
• Do a Fault Reset to clear the fault.
• Fault trace is not available for these faults.
Code Name Causes Possible Solutions
CPF31 ASIC Code Error
A drive hardware problem occurred. • Re-energize the drive.
• If the fault stays, replace the control board or the drive. For
information about replacing the control board, contact Yaskawa
or your nearest sales representative.
Note:
• Do a Fault Reset to clear the fault.
• Fault trace is not available for these faults.
Code Name Causes Possible Solutions
CPF32 ASIC Startup Error
A drive hardware problem occurred. • Re-energize the drive.
• If the fault stays, replace the control board or the drive. For
information about replacing the control board, contact Yaskawa
or your nearest sales representative.
Note:
• Do a Fault Reset to clear the fault.
• Fault trace is not available for these faults.