User's Manual

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Command: <CR>
Output: <CR>
5.1.4 Incorrect instruction / error codes
If a command is not entered correctly, the reader sends one of the following error codes:
ERROR CODE MEANING
NAK #00 <CR> unknown command
NAK #02 <CR> wrong parameter
NAK #03 <CR> EEPROM error
NAK #04 <CR> wrong transponder type/command not available
NAK #05 <CR> buffer overflow
NAK #06 <CR> not logged in
NAK #08 <CR> wrong password
NAK #10 <CR> antenna failure
NAK #11 <CR> anticollision error level 1
NAK #12 <CR> anticollision error level 2
NAK #13 <CR> select error level 1
NAK #14 <CR> select error level 2
NAK #15 <CR> transceiver IC error
NAK #16 <CR> not acknowlegde
NAK #17 <CR> no valid value block
NAK #18 <CR> EEPROM full
NAK #19 <CR> code already saved in EEPROM
NAK #20 <CR> Decoder communication error
NAK #21 <CR> wrong standard
NAK #22 <CR> wrong transpondercode length
NAK #23 <CR> transpondercode length and transponder don’t match
NAK #24 <CR> data is not multiple of the block size
NAK #25 <CR> data length shorter than block size
NAK #26 <CR> no communication to AMP
NAK #40 <CR> ISO 15693 error 01h: command not supported