This document provides instructions on how to replace the VS Ion Source Board, as well as the warranty terms and limitations of the product.
This document describes the procedure to replace the Ion Source board on a Varian VS Series leak detector. The replacement involves swapping part number R2120301 for the upgraded part number R2120501, which resolves an error message where the leak detector reports 'GAIN TOO HIGH' due to erroneous data.
The manual outlines necessary safety precautions, such as unplugging power and wearing a ground strap. It lists required tools including specific hex wrenches and screwdrivers, and details the step-by-step process for removing the rear cover and installing the new board.
The upgraded version has Part Number R2120501.
This board prevents the leak detector from reporting the error message GAIN TOO HIGH due to erroneous data.