More light + bigger temp' drop at night may help and a good daily misting (i do not personally endorse this link, it put it there automatically!... i use an old spray bottle and do it by hand) so long as a good air movement is provided.
What is the actual species/hybrid?
Mistking
Looking for a misting system? Look no further. Automated misting systems from MistKing are used by multitude of plant enthusiasts and are perfect for Orchids. Systems feature run dry pumps, ZipDrip valve, adjustable black nozzles, per second control! Automatically mist one growing shelf or a greenhouse full of Orchids.