YASKAWA Z1000 User Manual page 213

HOA Keypad Display
oFA00
Cause
The option card installed into port CN5 is
incompatible with the drive
HOA Keypad Display
oFA01
Cause
The option card connection to port CN5 is faulty
HOA Keypad Display
oFA05, oFA06
oFA10, oFA11
oFA12 to oFA17
oFA30 to oFA43
Cause
Option card or hardware is damaged
HOA Keypad Display
oH
Cause
Surrounding temperature is too high
Load is too heavy
External cooling fan is stopped
HOA Keypad Display
oH1
Cause
Surrounding temperature is too high
Load is too heavy
HOA Keypad Display
oH3
YASKAWA ELECTRIC TOEP C710616 45F YASKAWA AC Drive – Z1000 User Manual
Option Card Connection Error at Option Port CN5
Option compatibility error
Check if the drive supports the option card to be installed. Contact Yaskawa for assistance.
Option Card Fault at Option Port CN5
Option not properly connected
• 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.
Option Card Error Occurred at Option Port CN5
Option Card Connection Error (CN5)
Communication Option Card Connection Error (CN5)
• 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.
Heatsink Overheat
The heatsink temperature exceeded the overheat pre-alarm level set to L8-02. The default value for
L8-02 is determined by drive capacity (o2-04).
• Check the temperature surrounding the drive. Verify temperature is within drive specifications.
• Improve the air circulation within the enclosure panel.
• Install a fan or air conditioner to cool the surrounding area.
• Remove anything near the drive that might be producing excessive heat.
• Measure the output current.
• Decrease the load.
• Lower the carrier frequency (C6-02).
• Replace the cooling fan.
• After replacing the cooling fan, set parameter o4-03 to 0 to reset the cooling fan maintenance.
Overheat 1 (Heatsink Overheat)
The heatsink temperature exceeded the drive overheat level. Overheat level is determined by drive
capacity (o2-04).
• Check the temperature surrounding the drive.
• Improve the air circulation within the enclosure panel.
• Install a fan or air conditioner to cool the surrounding area.
• Remove anything near the drive that might be producing excessive heat.
• Measure the output current.
• Lower the carrier frequency (C6-02).
• Reduce the load.
Motor Overheat Alarm (PTC Input)
• The motor overheat signal to analog input terminals A1 or A2 exceeded the alarm detection level.
• Detection requires setting multi-function analog inputs H3-02 or H3-10 to E.
5.4 Fault Detection
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
5
213