Yes this happens when there is a call demand the linkage and belts look good I did not check the brushes but will check them now I have replaced the close door output module on the pmi board and switched my door open limit module and door close limit module on pmi board also going to check brushes and run it again to see if does it again hard to tell as it may run several hrs and sometimes a day before it does it again
Thanks everyone for your help I will update if with any findings