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Service and maintenance
10.1 Error and diagnostics messages
10.1.2
Error messages
With error messages, the "IN_OP" signal (in operation) is reset and the "ER" LED is lit red
permanently.
In addition, the "Ready" or "Done" bit is reset with a connection via the Ident profile.
If the optical reader is connected to PROFINET IO, these error messages trigger a
diagnostics interrupt on the relevant I/O controller. Refer to I/O diagnostics for a description
of how to read out and evaluate the diagnostic information made available on the optical
reader.
Table 10- 1
Error messages of the optical reader
Error
Value
message
Onboard
PROFINET
Fault in inter-
W#16#5000
nal interface
W#16#5001
to the image
sensor
Error during
W#16#5003
DISA signal
change
Error in se-
W#16#5004
quence
Program
W#16#5005
cannot be
started
Internal file
W#16#5005
error
Transfer error
W#16#5007
TCP or
RS232
176
Value
Value
TCP/IP
Ident
and
profile,
RS232
STATUS
byte
01
E1FE02
03
E6FE04
04
E6FE04
05
E1FE06
05
E4FE04
07
E1FE04
Description
There is a fault in the con-
nection of the internal inter-
face to the image sensor.
When the program is saved,
the DISA signal is changed
at an invalid location.
While the program is being
saved, the time sequence of
applied signals is not ad-
hered to.
Not enough memory or
program damaged.
An error occurred while
saving to read-only memory.
The send buffer is full be-
cause the data cannot be
sent in an adequately short
time.
Operating Instructions, 05/2019, C79000-G8976-C494-02
Corrective measures
If the error continues to occur
after the device has been turned
on again, contact technical sup-
port.
Check the sequence of applied
signals. Start the program saving
process again.
Check the sequence of applied
signals. Start the program saving
process again.
Reduce the memory require-
ments and repeat "Save pro-
gram".
Please contact technical support
if this error occurs frequently.
Reduce the trigger frequency.
With TCP: Process the results
on the server side faster.
A high load on the network to
which the optical reader is con-
nected can also block the trans-
fer of the data. If necessary,
check the network connection.
With RS-232: Increase the
transmission speed. In addition,
the size of the image buffer in
the WBM can be increased un-
der "Program > Image acquisi-
tion > Mode".
SIMATIC MV500
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