Hi Everyone

GEn2 XIZI Otis 1000kg if have a problem INS Down move about 30cm then stop, with TCBC error 1TH 2TH Drive error DVR : rollback start DRV : I overload
change the DIR on contact 0--> 1 INS and Correction UP OK, after DIR set back 0 and add 2 filler weight in car top lift possible Normal run for 24 hours then stop again the same issue. we already changed new drive OVFWW, swapped the DBR , checked the mechanical brake,, and the result remains the same.
Appreciate if you can help this problem