Digital Operator Display
Fault Name
or
CPF11 to CPF14
CPF16 to CPF19
Control Circuit Error
Cause
Possible Solution
There is a self-diagnostic error in the control
circuit
• 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.
Connector on the operator is damaged
Replace the operator.
Digital Operator Display
Fault Name
CPF02
A/D Conversion Error
An A/D conversion error or control circuit error occurred.
Cause
Possible Solution
Control circuit is damaged
• 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.
Digital Operator Display
Fault Name
CPF03
Control Board Connection Error
Connection error between the control board and the drive
Cause
Possible Solution
There is a 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.
Drive fails to operate properly due to electrical
signal interference
• 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. Install an EMC noise filter to the drive
power supply input.
Digital Operator Display
Fault Name
CPF06
EEPROM Memory Data Error
Error in the data saved to EEPROM
Cause
Possible Solution
There is an error in EEPROM control circuit
• 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.
The power supply was switched off while
parameters were being saved to the drive
Reinitialize the drive (A1-03 = 2220, 3330).
Digital Operator Display
Fault Name
CPF07
Terminal Board Connection Error
CPF08
Cause
Possible Solution
There is a faulty connection between the
terminal board and the control board
• Turn off the power and reconnect the terminal board.
• 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.
Digital Operator Display
Fault Name
or
CPF20 or CPF21
Control Circuit Error
Cause
Possible Solution
Hardware is damaged
• 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.
6.4 Fault Detection
296
YASKAWA SIEP YAIP1U 01C AC Drive - P1000 Technical Manual
Содержание P1000
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