YASKAWA iQpump1000 Quick Start Manual page 177

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 or
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
HOA Keypad Display
CPF22
Cause
Hybrid IC failure on the power board
HOA Keypad Display
CPF23
Cause
Hardware is damaged
HOA Keypad Display
CPF24
Cause
Hardware is damaged
YASKAWA TOEP YAIP1W 01A YASKAWA AC Drive - iQpump1000 Quick Start Guide
• 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. Install an EMC noise filter to the drive power
supply input.
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 (A1-03 = 2220, 3330).
Terminal Board Connection Error
• 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.
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.
Hybrid IC Failure
• Cycle power to the drive.
• If the problem continues, replace the power board or the entire drive. Contact Yaskawa or a Yaskawa
representative for instructions on replacing the power 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.
Drive Unit Signal Fault
The drive capacity cannot be detected correctly (drive capacity is checked when the drive is powered up).
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.
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
5.2 Fault Detection
5
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