YASKAWA E1000 Technical Manual page 266

6.4 Fault Detection
Digital Operator Display
Cause
There is an error in EEPROM control circuit.
The power supply was switched off when parameters
were being saved to the drive.
Digital Operator Display
Cause
There is a fault connection between the terminal board
and control board.
Digital Operator Display
CPF20 or CPF21
or
<1>
Cause
Hardware is damaged.
Digital Operator Display
Cause
Hybrid IC on the main circuit is damaged.
Digital Operator Display
Cause
Hardware is damaged.
Digital Operator Display
Cause
Hardware is damaged.
Digital Operator Display
Cause
Terminal board is not connected correctly.
Digital Operator Display
to
CPF26 to CPF35,
CPF40 to CPF45
to
<2>
Cause
Hardware is damaged.
Digital Operator Display
<3>
Cause
Disconnection in the motor coil winding.
Loose output terminals.
Digital Operator Display
Cause
Fault output by DriveWorksEZ
266
EEPROM Memory Data Error
CPF06
There is an error in the data saved to EEPROM.
• Turn the power off and check the connection between the control board and the drive.
• If the problem continues, replace either the control board or the entire drive. For instructions on replacing the control board,
contact Yaskawa or your nearest sales representative.
Reinitialize the drive (A1-03).
CPF07
Terminal Board Connection Error
CPF08
• Turn the power off and reconnect the control circuit terminal board.
• If the problem continues, replace either the control board or the entire drive. For instructions on replacing the control board,
contact Yaskawa or your nearest sales representative.
Control Circuit Error
<1>
• Cycle power to the drive.
• If the problem continues, replace either the control board or the entire drive. For instructions on replacing the control board,
contact Yaskawa or your nearest sales representative.
CPF22
Hybrid IC Error
• Cycle power to the drive.
• If the problem continues, replace either the control board or the entire drive. For instructions on replacing the control board,
contact Yaskawa or your nearest sales representative.
Control Board Connection Error
CPF23
Connection error between the control board and the drive
• Turn the power off and check the connection between the control board and the drive.
• If the problem continues, replace either the control board or the entire drive. For instructions on replacing the control board,
contact Yaskawa or your nearest sales representative.
Drive Unit Signal Fault
CPF24
The drive capacity cannot be detected correctly (drive capacity is checked when the drive is powered up).
Replace either the control board or the entire drive. For instructions on replacing the control board, contact Yaskawa or your
nearest sales representative.
CPF25
Terminal Board not Connected
Reconnect the terminal board to the connector on the drive, then cycle the power to the drive.
Control Circuit Error
CPU error
Replace either the control board or the entire drive. For instructions on replacing the control board, contact Yaskawa or your
nearest sales representative.
Polarity Judge Timeout
dv7
• Measure the motor line-to-line resistance and replace the motor if the motor coil winding is disconnected.
• Check for loose terminals. Apply the tightening torque specified in this manual to fasten the terminals.
Refer to Wire Size and Torque Specifications on page
dWAL
DriveWorksEZ Fault
dWFL
• Correct whatever caused the fault.
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Refer to Diagnosing and Resetting Faults on page
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
82.
Fault Name
Possible Solution
YASKAWA ELECTRIC SIEP C710616 35D YASKAWA AC Drive E1000 Technical Manual
287.