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SECTION 6
Error Lists
RFID System
User’s Manual
SECTION 6
Troubleshooting
V600 Commands
Communications Errors
• Host communications errors are those that occur during communications between the host device and ID
Controller.
• Tag communications errors are those that occur during communications between the ID Controller,
Antennas, and Tags.
• The error details are all logged in the ID Controller memory and the error codes are displayed on the monitor
display. Error data can be read using the READ ERROR INFORMATION (CF) command.
Note1. If a Tag communications error (error code 70), mismatch error (error code 71), or copy error (error
code 76) occurs when a write command is executed, some or all of the data in the target addresses
may have been overwritten. Overwritten data is not limited to data in the WRITE command. If an error
(error code 70 or 71) or copy error (error code 76) occurs when a write command is executed, keep
retrying the command from the host device until an error no longer occurs. Data at other addresses
(i.e., not at the write addresses) is not affected.
2. An Amplifier error (error code 7C) will occur if an Amplifier is not connected to the ID Controller when
using an Antenna with a Separate Amplifier. A Tag missing error (error code 72) will occur if the
Antenna is not connected to the Amplifier.
3. If the Tag moves out of the communications area while a write command is being executed, all of the
Tag data may not be written and a Tag communications error (error code 70) will occur.
• This warning data is not stored in the ID Controller memory.
Ty p e
Error
code
Name Details
Host commu-
nications
error
10 Parity error
Communications error between host device and ID Controller
• Incorrect communications format settings
• Malfunction due to noise
11 Framing error
12 Overrun error
13 FCS error Incorrect calculation of FCS
14 Command input error Incorrect command format
18 Frame length error
The number of characters per command frame exceeds the specified
value.
Tag commu-
nications
error
70 Communications error
There is an error in communications between Antennas and Tags.
• Installation problem, e.g., travel speed through communications area or
distance
• Malfunction due to an obstruction.
71 Mismatch error Write has not been processed correctly.
72 Tag missing error No Tag in communications area when read/write was executed.
76 Copy error Copy has not been processed correctly.
7A Address designation error
An address outside the Tag memory area has been designated.
The area start address has not been correctly designated when using the
MDS/MDL command.
7C Antenna error Antenna has not been connected.
7D Write protection error A write-protected area was specified for a write command.
Warning
code
Name Details
76
Tag overwrite count exceeded
Overwrite count exceeded warning for the OVER-
WRITE COUNT CONTROL (MDS/MDL) command
Tag memory check error
Memory error detection warning for the DATA CHECK
(MDC) command
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