The flowers fading may be normal. but, unless the leaves that are turning yellow are on the base of the phal orchid, your plant may have root issues related to over or under watering. To post a photo, use the 'GO ADVANCED' button below the message window at the base of this message. When the new page opens, click on the paperclip to open the Attachment manager. Then follow the directions to upload your photos. There are some help videos on this page that will aid in your learning how to post photos as attachments as well as resizing images to fit the attachment limits of this community.
ORCHIDTALK HELP VIDEOS Watch video 3 and 5.