Health Summary. The ProForm 390E Elliptical machine is a product manufactured exclusively for Sears, so product support from ProForm is non-existant. This page provides information about the unit along with an instructional two-part video describing delivery and setup. Support. Since Sears is the primary beneficiary of the profits of retail sales for this item, they are… Continue reading ProForm 390 E Elliptical from Sears – Assembly and Support Documentation