6 months ago the spindle would not stop. I found the regen resitor 10 amp brake fuse inside the inverter was blown. I replaced the fuse. I also found one of the inverter cooling fans was dead. I replaced both fans.
Then last month the fuse blew again. I replaced the fuse and both regen resistors and added an extra cooling fan beside the regen resistors.
Today the fuse blew again. I think there must be a problem with the inverter but I need someone to confirm this before spending $4000.00 , Thanks.
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08-20-2007, 03:32 PM #1
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Spindle brake fuse blows intermittently
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08-20-2007, 04:14 PM #2
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Before you spend the money for a new drive unit I would have the spindle motor meg'ed out. A failing motor can cause an overdraw. That could in turn cause premature drive failure.
Neal
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