YASKAWA GA500 - Electrical Protection and Control Wiring; UL Branch Circuit Protection; Control Circuit Terminal Wiring

2.4 Fault
42 YASKAWA TOEPYAIGA5001A GA500 DRIVE MAINTENANCE & TROUBLESHOOTING
Code Name Causes Possible Solutions
CPF21 Control 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
CPF22 Control 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
CPF23 Control 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
CPF24
Control Circuit Error (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
CPF25 Terminal Board not Connected
The terminal board is not correctly connected to the
drive.
1. De-energize the drive.
2. Correctly connect the terminal board to the drive.
3. Re-energize the drive.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
CPF38 Control 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
dCE1 Communication Error1
A drive hardware problem occurred temporarily due
to noise.
• Remove the cause of the noise.
• If the fault stays, replace the control board or the drive.
Note:
• Do a Fault Reset to clear the fault.
• Fault trace is not available for these faults.
Code Name Causes Possible Solutions
dCE2 Communication Error2
A drive hardware problem occurred temporarily due
to noise.
• Remove the cause of the noise.
• If the fault stays, replace the control board or the drive.
Note:
• Do a Fault Reset to clear the fault.
• Fault trace is not available for these faults.
Code Name Causes Possible Solutions
dEv Speed Deviation
The load is too heavy. Decrease the load.
Acceleration and deceleration times are set too short. Increase the values set in C1-01 to C1-08 [Acceleration/
Deceleration Time].
The dEv detection level settings are incorrect. Adjust F1-10 [Speed Deviation Detection Level] and F1-11 [Speed
Deviation Detect DelayTime].