YASKAWA V1000 Series Installation & Start-Up Manual page 213

LED Operator Display
oFA41
Cause
—
LED Operator Display
oFA42
Cause
—
LED Operator Display
oFA43
Cause
—
LED Operator Display
Cause
Surrounding temperature is too high.
Load is too heavy.
Internal cooling fan is stopped.
The cooling fan is clogged.
LED Operator Display
oH1
YASKAWA TM.V1000.01 V1000 Drive Installation & Start-Up Manual (Preliminary 01-19-07)
Option Card Fault (port A)
Drive side reception timeout (Initial #4)
Option Card Fault (port A)
Two control response selection errors (Initial #4)
Option Card Fault (port A)
Drive side reception timeout (Initial #5)
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").
• Provide the proper installation space around the drive as indicated in the
manual. Refer to Correct Installation Spacing on page
• Allow for the specified space and ensure there is sufficient circulation around
the control panel.
• Check for dust or foreign materials that may have clogged the cooling fan.
• Clear out anything caught in the fan that inhibits air circulation.
Overheat 1 (Heatsink Overheat)
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).
5.5 Fault Detection
Fault Name
Possible Solution
—
Fault Name
Possible Solution
—
Fault Name
Possible Solution
—
Fault Name
Possible Solution
Refer to Cooling Fan Replacement on page
Fault Name
5
278.
40.
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