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What can cause an OL1 fault on the ATV21 or ATV212 drives?

What can cause an OL1 fault on ATV21 or ATV212 drives?

Product line:

Altivar ATV212, ATV21 

All models, all serial numbers 


OL1 is a drive overload fault.  The motor is pulling to many amps and the internal overload is tripping.

Check motor load settings in ITH menu. Check ACC time make sure its not to short of a ramp. Check Motor its self to see if its pulling to many amps.
Refer to the ATV212 Programming manual S1A53838
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