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hi i am dan i can help you with this. what is the model of the drive and does it also have a bypass. what are your control paramaters
ok next i would need the model number of the drive.
there is not usually a code but i will not know until i know what drive you have
ok just reply back when you have the model number then i can help you from there.
it could be a safety tripped such as fire alarm, pressure switch, high limit, or any external saftey