I have two Glydea 35 WT curtain motorisation, by Somfy. And each added a module Fibaro Roller Shutter 2 FGRM-222 , the problem arises in calibration. When I try to perform the calibration, the curtain opens fully, but in the process they should fully close it closes only about 2 inches. If I try to trigger it closes sometimes closes just those two centimeters, and sometimes completely closes it to open. Could not identify any pattern for closing / opening full or not. Sometimes it works, somet