Omron V680S Series User Manual page 172

Section 7
Troubleshooting
Nonfatal Errors
The NORM/ERR indicator flashes once if an error occurs in communications between the Reader/
Writer and host device or in communications with an RF Tag.
RUN
Lit green or fast
flashing green
Cyclic Data Exchanges Error
RUN
Lit green
If you use more than one Reader/Writer for multi-Reader/Writer operation, the ERROR indicator will light red once on
any Reader/Writer for which an error is detected during communications with an RF Tag. The NORM indicator will light
green once on any Reader/Writer that completes communications with an RF Tag normally. When the Master Reader/
Writer returns a response to the host device, the NORM or ERROR indicator will light depending on whether the results
given in the response is for a normal or error completion.
RFID System
170
User's Manual
(PROFINET)
NORM/ERR
Flashes red once
NORM/ERR
Flashing yellow