User's Manual Part 2

Troubleshooting
G
ATEKEEPER SYSTEMS INC.
2007
CART CONTAINMENT MANUAL
Page 75
Mixed Wheel Environments
There may be several different types or revisions of Gatekeeper wheels at a single store location, especially if
the stores have been using the Gatekeeper System for some time, or carts are routinely moved between
different stores. It is important to understand the differences in these wheels and how they operate together (or
not). The four types of wheels you are most likely to encounter are Analog, GS1, GS1.1, and GS2, as shown in
the figure below.
Gatekeeper System wheel identification