Rockwell Automation 2755 AdaptaScan Bar Code Readers - Manual (Page 69)

Troubleshooting and Maintenance 6–4
Network
Condition Indication
Green Normal DeviceNet operating state.
Flashing Green Communication link established but no data transfer.
Red DeviceNet communication fault detected.
Flashing Red One or more DeviceNet devices are not responding. Reader may
not be able to perform all configured functions.
Off No DeviceNet communications established.
Laser On
Condition Indication
Yellow The scan beam is On (active).
Off The scan beam is Off (inactive).
Module
Condition Indication
Green Normal operating condition. Power is applied to the Reader and no
faults have been detected.
Flashing Green Power-up initialization or incorrect configuration.
Red Processor fault (unrecoverable).
Flashing Red Minor fault (recoverable). Occurs when downloading firmware.
Off No power applied to Reader.