10.5 Interpreting diagnostic messages
A diagnostic message causes the machine to shut down.
Diagnostic messages are identified with the letter D.
They provide information on the status of the controller, the connected input and output modules
and support the KAESER SERVICE in trouble-shooting.
10.6 Interpreting system messages
A system message causes the machine to shut down.
System messages are identified with the letter Y.
The message numbers are not numbered consecutively.
Message Possible cause Remedy
0001 Y
Hardware watchdog reset
System error Call KAESER SERVICE.
0002 Y
Internal software error
System error Call KAESER SERVICE.
0003 Y
Filesystem Read/Write failure
System error Call KAESER SERVICE.
0004 Y
CPU load too high
System error Call KAESER SERVICE.
0005 Y
RAM out of memory
System error Call KAESER SERVICE.
Tab. 97 System messages and remedies
10.7 Communication modules
10.7.1 Troubleshooting, PROFIBUS module
10.7.1.1 Machine and SIGMA CONTROL 2
In the event of a fault in the bus communication, the red "Communication" and the yellow "Warn‐
ing" LEDs flash at the SIGMA CONTROL 2. The system displays the following warning message:
Message Possible cause Measure
0015 W Com-Module
communication error
Bus coupling via communication module
is interrupted.
Check bus lines and plug.
Incorrect or faulty communication mod‐
ule
Check communication
module, see below.
Tab. 98 Com-Module communication error warning message
In addition to the
0015 W Com-Module communication error
warning message, the system dis‐
plays the following information for troubleshooting:
10 Fault Recognition and Rectification
10.5 Interpreting diagnostic messages
162
Service Manual Controller
SIGMA CONTROL 2 BLOWER ≥ 2.5.3 No.: 901700 10 E
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