Omron V780 Series, User Manual

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9 Troubleshooting
9 - 2 UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
9-1 Types of Errors
The Reader/Writer indicates errors in the following ways.
• Errors are indicated on the operation indicators.
• Errors are indicated with error codes.
Note If these errors are detected during operation, the RUN indicator will flash at 0.4-s intervals.
9-1-1 Errors Indicated on Operation Indicators
Reader/Writer operating status
Operation indicators Execution of RF
Tag communica-
tions
Communications
connection to the
host device
RUN (green) NORM/ERR (red)
Running Flashing at 0.1-s
intervals Not lit Not possible Not possible
Normal opera-
tion Run Mode Lit Not lit Possible Possible
Safe Mode Flashing at 0.4-s
intervals Not lit Not possible Possible
SLAVE Mode Lit Not lit Not possible Not possible
Errors for
which the
Reader/Writer
will not operate WDT error Not lit Lit Not possible Not possible
IP address conflict Flashing at 0.1-s
intervals
Flashing irregu-
larly twice Not possible Not possible
BOOTP server
connection error Flashing at 0.1-s
intervals Flashing irregu-
larly twice Not possible Not possible
Errors for
which the
Reader/Writer
will operate Command error Lit Flashes once Possible Possible
RF Tag communi-
cations error Lit Flashes once Possible Possible
Minor fault Lit (See note.) Flashing at 0.4-s
intervals Not possible Possible
Major fault Lit (See note.) Lit Not possible Possible
NORM/ERR
NORM/ERR NORM/ERR
NORM/ERR
LINK/ACT RF
RUN