KW2D Series Smart RFID Reader User’s Manual
7-1
7
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This chapter describes how to investigate and resolve problems that occur on the KW2D Series Smart RFID Reader.
The status of the KW2D Series Smart RFID Reader can be confirmed by the LED display and the values of the input
relays.
1.1 LED
The display of each LED and the status of the KW2D Series Smart RFID Reader are as follows.
1.2 Input Relays
Chapter 7
Troubleshooting
1
Check status
LED (red)
LED (white)
LED (green)
Status of the KW2D Series Smart RFID Reader
Off
Off
Off
Stopped
Flashing
(1 second intervals)
Off
Running
On
Off
Detection mode (Detecting RFID tags)
Flashing
(100 ms intervals)
Off
Detection mode (Matching RFID tags)
Off
On
Result OK
Off
Flashing
(250 ms intervals)
Lock mode (During lock operation)
Off
Flashing
(100 ms intervals)
Lock mode (canceling the lock operation)
Flashing
(100 ms intervals)
On
Tag edit mode (Registering)
On
Off
On
Initializing
Off
Off
Verification error
The tag information from the host device is read and
verified, and the result is "Mismatch."
Flashing
(100 ms intervals)
On
Tag edit mode (Deleting)
Flashing
(100 ms
intervals)
Off
Off
Host communication error
Tag information cannot be read from the host device.
Flashing
(500 ms intervals)
Off
Flashing
(500 ms intervals)
Downloading project
Address No.
Description
Explanation
0001
Verification result
When the result of RFID tag UID verification is "Match," the value of this bit is 1.
After the period for retaining the detection result (up to 3 seconds), this bit will
be 0.
0002
When the result of RFID tag UID verification is "Mismatch," the value of this bit is
1. After the period for retaining the detection result (up to 3 seconds), this bit
will be 0.
0003
*1
Host communication Indicates the communication status with the host device.
0: Normal (Communicating), 1: Communication Error (No communication)
0004
Project
Indicates whether the KW2D Series Smart RFID Reader has a project.
0: Exists, 1: Not exists
0005
Tag list
Indicates whether the KW2D Series Smart RFID Reader has a tag list.
0: Exists, 1: Not exists
*1 Only when the “ModbusTCP Server” is selected as the
Communication Mode
on the “1” in the
No
. For details, refer to Chapter 6