HERMOS LFM 4x - Error Codes

HERMOS AG
Gartenstraße 19 • 95490 Mistelgau
Phone: +49 9279 991 - 0
E-mail: rfid@hermos.com
LFM 4x Reader Rev1.4
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www.hermos.com
Customer manual
LFM 4x Reader
RFID
WE GENERATE SOLUTIONS
10.7 Error Codes
ID
Name
Description
Possible Cause
Corrective action
0
none
No error
none
1
auto fail
Automatic reading is
not possible
Reader is still busy with a
former read or write request
Wait until the previous request has
ended.
2
ext fail
Execution failed, read
or write operation
cannot be carried out
Reader is still busy with a
former read or write request.
Wait until the previous request has
ended.
3
write fail
Data transfer to the tag
is not possible.
Reader is still busy with a
former read or write request.
Wait until the previous request has
ended.
4
no tag
No transponder or
antenna installed
Antenna is not connected
properly
Check antenna connection
Antenna is not tuned
Antenna tuning
No readable transponder
within the reading range
Put the transponder in the antenna
area. Check the type and function of
the transponder
Antenna / transponder are
misaligned
Check the alignment of the antenna
and the transponder
Antenna is damaged or too
close to metal
Replace the antenna, check the
tuning
Interference field at
transmission frequency
Check antenna environment for
possible sources of interference.
(Monitors, servomotors…)
5
invalid
Invalid parameter or
data
Invalid command data
Check command syntax and data
content
Parameter is not
implemented or out of range
Check parameter syntax and value
6
unknown
Unknown errors
none
7
Unconfig
The device is not
configured
Wrong reader address
Check message syntax, check
parameter F „Reader address
8
check
Parity or checksum
error
Wrong baud rate
Check the baud rate of the serial
interface (Com port)
Transmission error at
serial communication
Check RS232 cable and connector,
Check sources of interference with RS232
9
void ackn
unexpected
acknowledge
Serial communication is
interrupted
Check RS232 cable and connector,
Check sources of interference with
RS232
Ethernet communication is
interrupted
Check Ethernet cable and connector,
check IP address settings
Double or wrong
acknowledgment
Check communication settings at the
host
A
Locked
Locked page cannot
be written
Tag is write protected
Check the page number to be written,
exchange the tag for the new one