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7
Help in case of errors and problems
Frequently asked questions
7.1 Frequently asked questions
7.2 Possible errors
Description
When the device is
commissioned, the fol-
lowing error message
appears: "The physical
address: x.y.z is being
used by another
device."
When the device is
commissioned, the fol-
lowing error message
appears: "This is the
certificate of another
device."
Changes to the settings
for the IP address were
not copied to the
device.
KNX IP Secure routing
is not possible.
The project cannot be
opened.
A device cannot be ad-
ded to the project.
7.3 Troubleshooting using ETS
14 | 18
7 Help in case of errors and problems
Frequently asked questions
For frequently asked questions about the product and their solutions, see:
https://support.industry.siemens.com/cs/ww/en/ps/faq
FAQ
Possible cause
Physical addresses have been used mul-
tiple times.
An incorrect device certificate was scanned
or an incorrect certificate key entered.
Only partial programming was performed.
The ETS detects dummy applications as
non-secure.
The project password is unknown.
A QR code for the device certificate is no
longer available or cannot be assigned to a
device.
The 6X6-digit certificate key for the device
certificate is unknown or can no longer be
assigned to a device.
These are some of the troubleshooting options in ETS:
'Diagnostics' section
Solution
Check and/or reset physical ad-
dresses and re-assign.
Setting up additional physical ad-
dresses [➙ 13]
Troubleshooting using ETS [➙ 14]
Checking device certificates [➙ 15]
Perform full programming of the
device (physical address and applic-
ation program) via the ETS software
(menu item: 'Program' > 'Physical
address & application program').
Remove the dummy applications
from the project.
The project password cannot be re-
set.
Create the project again, reset all
devices to factory settings, and com-
mission it again.
The device can no longer be com-
missioned and must be disposed of.
A6V11689762_en--_d
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