Yes, I had mine turned off for a while after I first started using it because it was emanating a smell/fume that actually stung my skin on my tender parts! It felt like someone was blowing menthol over my skin. After a month or so, I turned it back on and it is fine, now.
TO TURN OFF THE DEODORIZER ON THE WASHLET:
From page 44 of the manual for the 300e and the 350e and TCF4732A and TCF4731A
Go to the back of the remote, Press MENU
Use the up and down arrows to select "Auto Functions" and then press ENTER
Use the up and down arrows to select "Cleaning" and then press ENTER
Use the up and down arrows to select "DEODORIZER" and
Use the left and right arrows to select "On" or "Off" and press ENTER
Press MENU to return to the regular screen
Q