YASKAWA V1000 Series Installation & Start-Up Manual page 196

5.4 Fault Detection
Cause
The option card is not connected
properly to the drive.
LED Operator Display
thru oFA30 thru
Cause
Option card or hardware is damaged. Replace the option card. Contact Yaskawa for consulation.
LED Operator Display
Cause
Surrounding temperature is too high.
Load is too heavy.
Internal cooling fan is stopped.
LED Operator Display
Cause
Surrounding temperature is too hot.
Load is too heavy.
196
Turn the power off and reconnect the option card.
Option Card Fault (port A)
oFA03
Option card self-diagnostic error
Option Card Fault (port A)
oFA04
An error occurred attempting to write to the option card memory.
Option Card Fault (port A)
oFA43
Communication ID error
Heatsink Overheat
oH
The temperature of the heatsink exceeded the value set to L8-02 (90-100°C).
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 drive, reset the cooling fan maintenance parameter
(o4-03 = "0").
Overheat 1 (Heatsink Overheat)
oH1
The temperature of the heatsink has exceeded the value set to L8-02
(100-110°C). Default value for L8-02 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.
• Reduce the load.
• Lower the carrier frequency (C6-02).
YASKAWA ELECTRIC TOEP C710606 09B YASKAWA AC Drive V1000 Installation & Start-Up Manual
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Refer to Cooling Fan Replacement on page
Fault Name
Possible Solution
254.