E 68

My dryer displays E 68 and beeps conslantly, what could cause this???

Here are your parts
http://www.appliancepartspros.com/partsearch/modelsearch.aspx?model=GLEQ2152ESO

Here is the tech sheet
http://manuals.frigidaire.com/prodinfo_pdf/Webster/134509400efsa.pdf

Looks like it is a stuck key.