Siemens SIMATIC MOBY D System Manual page 286

Alarm, error and system messages
11.2 Error messages and causes for MOBY D with ASM and FC/FB 45 (direct MDS addressing)
Error code in
HEX
14
15
16
17
18
19
286
Flashing of Cause, remedy
ERR LED
20x Internal ASM error or SLG error (watchdog)
Program sequence error on the ASM

Switch 24 V supply off and on again

Program sequence error on the SLG

Start init_run command after error correction.

21x Wrong parameterization of the ASM/SLG
Check INPUT parameters in UDT 10.

RESET command is parameterized incorrectly.

After a start-up, the ASM has still not received an init_run.

22x The command cannot be processed with the current bus configuration.
Input or output areas too small for the specified message frame

length.
Was the correct GSD file used?
Write or read command issued with length specification too large.

Data length > 233 bytes.
Change the configuration of the bus in the master module

23x Communication error between FC/FB 45 and MOBY-ASM.
Handshake error
Params_DB (UDT 10) of this ASM station is being overwritten by

other parts of the program.
Check parameters of MOBY ASM in UDT 10

Check FC/FB 45 command which caused this error

Start init_run command after error correction.

24x An error has occurred which must be acknowledged with an init_run.
A temporary short circuit has occurred on PROFIBUS DP.

The RESET command is faulty.

Start init_run command after error correction.

25x Previous command is active or buffer overflow.
The user sent a new command to the ASM/SLG even though the last
command was still active.
Active command can only be terminated with an init_run.

Before a new command can be started the READY bit must be 1

(exception: init_run).
Two FC/FB 45 calls were parameterized with the same parameters

("ASM_address" and "ASM_channel")
Two FC/FB 45 calls are using the same Params_DB pointer

Start init_run command after error correction.

When command repetition (e.g., fixed code MDS) is used, no data

are fetched from the MDS. The data buffer on the ASM has
overflowed. MDS data have been lost.
System Manual, 01/2010, J31069-D0147-A6-7618
MOBY D