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we had problem with hand wheel error with 700051 (portable control activated) siemen control,

thanks.

Hai Atul,

There is from motor Z,that's same problem with my machine also.

what kind your control used ? shimi

can you Check all conector (power suply and encoder) motor_z may be they lose or have to change. and you can try bypass door always lock,ii there oke you can us dmg service to change contactor betwen...