Do check functional memolube. 473 FA3 replace catridge and bateray, 473 fA4 replace memolube, 473 FA5 replace bateray and catridge of memolube and replace tube from memolube to motor and replace connector because when test functional grease is not flow to motor because some blocking inside. 473 FA6 replace memolube, support sensor and tube (AGUS & ADI)