... .6Note:δ is a re FaultProcessing method1,Brake don’t work when energized1,Check AC power fault.2,Work ... larger.2,one sucked when brake energizedthe other don’t sucked1.check brake’s movement component if was ... air gap adjust smaller.2,Work air gap don’t equality.3,Friction disc have reached wearproof limit ... and need change it.4,Brake don’t work1,dynamic moment of inertia large of work ...