Digital Operator Display
Fault Name
oFb01
Option Card Fault at Option Port CN5-B
Option not properly connected
Cause
Possible Solution
The option card connection to port CN5-B is
faulty
• Turn off the power and reconnect the option card.
• Check if the option card is properly plugged into the option port. Make sure the card is fixed properly.
• Try to use the card in a different option port. If the option card works properly in a different option
port, CN5-B is damaged, and the drive requires replacement. If the error persists (oFA01 or oFC01
occur), replace the option card.
Digital Operator Display
Fault Name
oFb02
Option Card Fault at Option Port CN5-B
Same type of option card is currently connected
Cause
Possible Solution
An option card of the same type is already
installed in option port CN5-A
Only one of each option card type can only be installed simultaneously. Make sure only one type of option
card is connected.
An input option card is already installed in
option port CN5-A
Install a communication option. More than one of the same type of card cannot be installed simultaneously.
Digital Operator Display
Fault Name
to
oFb03 to oFb11
Option card error occurred at Option Port CN5-B
to
oFb12 to oFb17
Cause
Possible Solution
Option card or 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.
Digital Operator Display
Fault Name
oFC00
Option Card Connection Error at Option Port CN5-C
Option compatibility error
Cause
Possible Solution
The option card installed into port CN5-C is
incompatible with the drive
Confirm that the drive supports the option card to be installed. Contact Yaskawa for assistance.
A communication option card has been
installed in option port CN5-C
Communication option cards are only supported by option port CN5-A. It is not possible to install more
than one communication option.
Digital Operator Display
Fault Name
oFC01
Option Card Fault at Option Port CN5-C
Option not properly connected
Cause
Possible Solution
The option card connection to port CN5-C is
faulty.
• Turn the power off and reconnect the option card.
• Check if the option card is properly plugged into the option port. Make sure the card is fixed properly.
• Try to use the card in a different option port. If the option card works properly in a different option
port, CN5-C is damaged, and the drive requires replacement. If the error persists (oFA01 or oFb01
occur), replace the option card.
Digital Operator Display
Fault Name
oFC02
Option Card Fault at Option Port CN5-C
Same type of option card is currently connected
Cause
Possible Solution
An option card of the same type is already
installed in option port CN5-A or CN5-B.
Only one of each option card type can only be installed simultaneously. Make sure only one type of option
card is connected.
An input option card is already installed in
option port CN5-A or CN5-B.
Install a communication option, a digital input option, or an analog input option. More than one of the
same type of card cannot be installed simultaneously.
Digital Operator Display
Fault Name
to
oFC03 to oFC11
Option Card Error Occurred at Option Port CN5-C
to
oFC12 to oFC17
6.4 Fault Detection
302
YASKAWA SIEP YAIP1U 01C AC Drive - P1000 Technical Manual