We have 3 units polarization motor problems, and informed one looks seems the same, but waiting for check now.By the way, please provide a letter which is RF2 discontinuous and will replaced by XMW, below for your reference:This will relative for a new spare parts (2020 JAN) and new project (not clear yet) requirement, need to go through NCSIST for new RFP.Please provide this document soon!Than you~