Service and maintenance
10.1 Error and diagnostics messages
SIMATIC MV500
226 Operating Instructions, 03/2021, C79000-G8976-C494-05
Error mes-
sage
Value
Onboard
PROFINET
Value
TCP/IP
and
Value
Ident pro-
file
Description Corrective measures
gram number
An attempt is being made to
save a program under an
invalid number via the inter-
face set in "Controller".
Select a program number be-
tween 1 and 15.
requires EF
Reconnect the EF lens or change
the program settings according-
connection
error
termination
The connection to the PROFINET
IO controller was interrupted.
Check the connection to the I/O
configuration
error
Faulty PROFINET IO configu-
ration
The PROFINET IO configuration
of the optical reader and that of
the communication partner do
not match. Check the PROFINET
mode in the optical reader and in
compatibility
error
Version incompatibility of
the PROFINET IO controller
to the I/O device (optical
reader)
The version of the I/O controller
is out of date and not compatible
with the current version of the
optical reader.
To correct this error, we recom-
mend that you upgrade the I/O
ture too high
The temperature of the CPU
is outside the valid range.
This can lead to incorrect
read results, shortened ser-
vice life or destruction of the
Ensure there is adequate ventila-
tion or cooling of the reader and
ensure that the ambient temper-
ature is within the permissible
range.
ature too
high
The temperature of the lens
is outside the valid range.
This can lead to incorrect
read results, shortened ser-
vice life or destruction of the
Reduce the ambient tempera-
ture, e.g. by air circulation, or
dissipate the heat and ensure
that the ambient temperature is
within the permissible range.
perature too
high
sensor is outside the permis-
sible range. The probable
cause is an excessively high
Reduce the ambient tempera-
ture, e.g. by air circulation, or
dissipate the heat and ensure
that the ambient temperature is
within the permissible range.