SUBJECT: RVV Software Upgrade Kit Installation (Model 400 only)
MODELS: RVV (control boards lower than 4.268 software revision)
When upgrading the software on RVV control boards with software revisions lower than 4.268, it is necessary to not only change the controller chip on the control board, but also to move the product sensing switch. This bulletin describes the procedure for upgrading the software and making the necessary changes.
Download PDF: Service Bulletin 255