The lens cover came off. November 03, 2017 18:59 Updated If the lens cover on the front of the Time Timer PLUS® has come loose, simply snap it back into place. If you're still having issues with your timer, please click here to Request a Replacement. Related articles The red disk stopped moving. Request a Replacement How to set the audible alarm for the iPad and iPhone app. Time Timer Watch PLUS Printed Instructions The Time Timer seems like it can only be set to 59 minutes.