Copeland Code Reader mobile app allows contractors quick and easy access to definitions of alarms, error codes, and LED flashes from various Emerson compressor and condensing units containing electronics. These include the following: • Stream Compressors • Fusion Compressors • IZSI Condensing Units • ZX Condensing Units • ZX Next Gen The following Emerson refrigeration controllers can also be found in the mobile app: • E-Class CX Controller • Prime CX Controller