User's Manual

ACG HF Multi ISO RFID Reader V1.0
ACG Identification Technologies GmbH 96
12.4.4.3.1 Target block
The target block does not need to be a valid value block. If the source block is not in
value format, the command fails.
12.4.4.3.2 No value block 'I'
Source value block is not in a valid value block. The value block is corrupted. A
backup block can be used to restore the correct value.
12.4.4.3.3 Copy failure 'F'
This indicates a general failure during the copy procedure or an inability to read after
the write process.
12.4.4.3.4 No tag error 'N'
The reader does not detect a response of the tag. There is either no tag present or
the tag does not respond to the request.
12.4.4.3.5 Operation mode failure 'O'
The tag is not ISO14443 type A compliant.