YASKAWA Z1000 User Manual page 208

5.4 Fault Detection
HOA Keypad Display
CPF00 or CPF01
Cause
There is a self-diagnostic error in the control
circuit
Connector on the operator is damaged
HOA Keypad Display
CPF02
Cause
Control circuit is damaged
HOA Keypad Display
CPF03
Cause
There is a connection error
Drive fails to operate properly due to noise
interference
HOA Keypad Display
CPF06
Cause
There is an error in EEPROM control circuit
The power supply was switched off while
parameters were being saved to the drive
HOA Keypad Display
CPF07
CPF08
Cause
There is a faulty connection between the terminal
board and the control board
HOA Keypad Display
CPF20 or CPF21
Cause
Hardware is damaged
208
Control Circuit Error
• Cycle power to the drive.
• If the problem continues, replace the control board or the entire drive. Contact Yaskawa or a
Yaskawa representative for instructions on replacing the control board.
Replace the operator.
A/D Conversion Error
An A/D conversion error or control circuit error occurred.
• Cycle power to the drive.
• If the problem continues, replace the control board or the entire drive. Contact Yaskawa or a
Yaskawa representative for instructions on replacing the control board.
Control Board Connection Error
Connection error between the control board and the drive
• Turn off the power and check the connection between the control board and the drive.
• If the problem continues, replace the control board or the entire drive. Contact Yaskawa or a
Yaskawa representative for instructions on replacing the control board.
• Check the various options available to minimize the effects of noise.
• Counteract noise in the control circuit, main circuit, and ground wiring.
• Use only recommended cables or other shielded line. Ground the shield on the controller side or
the drive input power side.
• Ensure that other equipment such as switches or relays do not cause noise. Use surge suppressors
if required.
• Separate all communication wiring from drive power lines.
EEPROM Memory Data Error
Error in the data saved to EEPROM
• Turn off the power and check the connection between the control board and the drive.
• If the problem continues, replace the control board or the entire drive. Contact Yaskawa or a
Yaskawa representative for instructions on replacing the control board.
Reinitialize the drive using parameter A1-03.
Terminal Board Connection Error
• Turn off the power and check the connection between the control board and the drive.
• If the problem continues, replace the control board or the entire drive. Contact Yaskawa or a
Yaskawa representative for instructions on replacing the control board.
Control Circuit Error
• Cycle power to the drive.
• If the problem continues, replace the control board or the entire drive. Contact Yaskawa or a
Yaskawa representative for instructions on replacing the control board.
YASKAWA ELECTRIC TOEP C710616 45F YASKAWA AC Drive – Z1000 User Manual
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