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8 | Troubleshooting
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0870208958_INVEOR_VFD_-0002_PCI_en
No. Error name
Description of error
Possible causes/remedy
49
Power class restriction
Max. overload of the variable-fre-
quency drive exceeded for more than
60 sec.
Check application / reduce load / use
larger variable-frequency drive
53
Motor tipped
Only for synchronous motors, field
orientation lost
Load too high
Optimise controller parameters