Troubleshooting
Technical Manual
39
04046493 - 11/2018
dormakaba Remote Reader 91 15 -
U300
8 Troubleshooting
Error
Possible cause
Measures
Remote reader is
reading data incor-
rectly or not at all
Interruption
Check/repair connection of regis-
tration unit
The RFID media technology has
not been defined.
Define the RFID media techno-
logy using a programming mas-
ter
Site changed by user
Adjust site
New sources of interference (e.g.
new or replaced hubs, cash ma-
chines or other security systems)
Reduce the influence of the
sources of interference (increase
distance, shielding)
Cabling changed
Adjust the cabling
Medium used incorrectly
Inform users about how to cor-
rectly use the medium
Remote reader not
writing to media
LEGIC only: Remote reader has
no write authorisation
Issue write authorization, see the
chapter ‘Issuing read/write au-
thorization (launch)’