As last your information that the humidity must not over than 65% RH so we went to actual site for measured the Humidity and found that the Humidity values are 64.3 RH , 63.4 RH . 63.0 RH and 63.9 RH (as attached of photos) but the values didn't match as your inform us.
Therefore please kindly analyze and find the ways to resolve this problem for the customer urgent.