Siemens SIMATIC MOBY D System Manual page 284

Alarm, error and system messages
11.2 Error messages and causes for MOBY D with ASM and FC/FB 45 (direct MDS addressing)
error_MOBY
Table 11- 7
Error code in
HEX
00
-
01
02
03
04
05
284
Error messages of the MOBY ASM/SLG via the "error_MOBY" variable
Flashing of Cause, remedy
ERR LED
- No error; result is OK
1x See error code 0F
2x Presence error: MDS has moved out of the transmission window of the
SLG. The MOBY command was executed only partially.
Read command:
No data are transmitted to FC/FB 45.
Write command:
The data storage unit which just left the field contains an incomplete
data record.
Distance between SLG and MDS not adhered to

Configuration error: The data block to be processed is too large (in

dynamic mode)
The next command (READ, WRITE) will be automatically executed on
the next MDS.
Note:
The error indication on the red LEDs on the front panel indicates error
code 02 in this case.
2x Presence error:
A mobile data storage unit has passed by an SLG without being

processed by a command.
Note:
The error indicatioin on the red error LEDs does not distinguish
between Error 01 and Error 02 (see error code 01).
3x Error in the connection to the SLG
Supply voltage for the ASM is less than 20 V or not connected

24 V voltage has voltage dips, is not connected or is switched off

Fuse on the ASM has blown. Check the wiring

Cable between ASM and SLG is wired incorrectly or cable break.

Hardware defect: ASM or SLG

Interference coupling on SLG cable or bus cable

Perform init_run after error correction.

4x Error in MDS's memory
The data storage unit has never been write-accessed or has lost the
contents of its memory due to battery failure.
Initialize data storage unit with the STG

With the SLG: Call initialization command

Check MDS battery or change MDS

Data storage unit is defective

5x Unknown command
Unknown command code in Byte 2 of the message frame
SLG signals data length error (check message frame)
Faulty length of useful data

System Manual, 01/2010, J31069-D0147-A6-7618
MOBY D