Self-Diagnostics - Omron V720S Series Operation Manual

Errors and Remedies
6-2

Self-diagnostics

The Reader/Writer has a self-diagnostic function to check a variety of items in order to reduce the
downtime of the system that may result due to operational failures.
Details of Errors
Fatal error
Nonfatal error
Normal Awaiting command
operation
Communicating with Tag
Normal completion of communications with
Tag
Fatal error CPU error
Memory error
Nonfatal error Communications error
Host communications error
Setting error
○: ON
●: OFF
：Flashing
Errors detected by the Reader/Writer can be classified into "fatal errors" and
"nonfatal errors."
If the hardware of the Reader/Writer fails, the operation of the CPU will be
interrupted and the ERROR indicator will turn ON or flash.
If there is a communications error between the Reader/Writer and host or the
Antenna and Tag, the ERROR indicator will turn ON.
Item
Indicator
RUN COMM
○ ●
○ ○
○ ●
● ●
● ●
○ ●
○ ●
○ ●
Section 6-2
NORM ERROR
● ●
● ●
○ ●
● ○
●
● ○
● ○
●
6-3