User's Manual

Product Manual - RFID Reader UF70 Certum 159
Chapter 8
Service and Troubleshooting
6 unknown unknown error not used no
7 unconfig the device is not
configured
wrong reader address
was sent
check syntax of message,
check parameter F "Reader
address"
8 check parity and/or checksum
error
wrong baud rate is
set
check baud rate of serial
interface (COM port)
transmision errors on
serial communication
check RS232 cable and
connectors; check disrupting
sources at RS232
9 void
ackn
no valid acknowledge
(unexpected
acknowledge)
double or wrong
acknowledgement
check host communication
settings
serial communication
is interupted
check RS232 cable and
connectors; check disrupting
sources at RS232
A locked locked page cannot be
written
page to be written is
locked (write
protected forever)
check page number to write;
replace tag with new one
: msg len message too long or too
short, or message is not
received in full
length of message is
longer than shown at
the length byte
check message length,
check length byte
no valid end sign of
message (End sign
0x0D) detected
check syntax of message
not all characters are
transmitted
(Intercharacter
timeout)
check syntax of message,
check RS232 connection
; invalid invalid command unknown command
was sent
check syntax of command
Error
ID
Name Description Possible causes Correcting action