Yaskawa D1000 Series Power Regenerative Converter User Manual
Page 116
5.3 Fault Detection
116
YASKAWA ELECTRIC TOEP C710656 07C YASKAWA Power Regenerative Converter - D1000 Instruction Manual
Digital Operator
Display
Fault Name
Details
to
oFC03 to
oFC11
Option Card Error
Occurred at Option
Port CN5-C
There is a fault in the option card.
to
oFC12 to
oFC17
Option Card Error
Occurred at Option
Port CN5-C
Cause
Possible Solution
Option card or hardware is damaged.
• Cycle power to the converter.
• If the problem continues, replace the control board or the entire converter. Contact Yaskawa or
a Yaskawa representative for instructions on replacing the control board.
Digital Operator
Display
Fault Name
Details
to
oFC50 to
oFC55
Option Card Error
Occurred at Option
Port CN5-C
Option card is damaged
Cause
Possible Solution
Option card or hardware is damaged.
Refer to the option manual for details.
Digital Operator
Display
Fault Name
Details
oH
Heatsink Overheat
The heatsink temperature exceeded the overheat pre-alarm level set to L8-02. The default value
for L8-02 is determined by o2-04 (drive model selection).
Cause
Possible Solution
Surrounding temperature is too high.
• Check the temperature surrounding the converter. Verify temperature is within converter
specifications.
• Improve the air circulation within the enclosure panel.
• Install a fan or air conditioner to cool the surrounding area.
• Remove anything near the converter that might be producing excessive heat.
Load is too heavy.
• Measure the output current.
• Decrease the load.
Internal cooling fan is stopped.
• Replace the cooling fan. Refer to page
• After replacing the cooling fan, set parameter o4-03 to 0 to reset the cooling fan maintenance.
Digital Operator
Display
Fault Name
Details
oH1
Overheat 1
The heatsink temperature exceeded the converter overheat level. Overheat level is determined by
o2-04 (drive model selection).
Cause
Possible Solution
Surrounding temperature is too high.
• Check the temperature surrounding the converter.
• Improve the air circulation within the enclosure panel.
• Install a fan or air conditioner to cool the surrounding area.
• Remove anything near the converter that might be producing excessive heat.
Load is too heavy.
• Measure the output current.
• Reduce the load.
Internal cooling fan is stopped.
• Replace the cooling fan. Refer to page
• After replacing the cooling fan, set parameter o4-03 to 0 to reset the cooling fan maintenance.
Digital Operator
Display
Fault Name
Details
oL2
Converter Overload
The thermal sensor of the converter triggered the converter overload protection.
Cause
Possible Solution
Load is too heavy.
Reduce the load.
Converter capacity is too small.
Replace the converter with a larger model.
The converter does not operate.
Start converter operation first, and then start converter operation.
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