KAESER SIGMA CONTROL 2 Service Manual

No.: Fault text Possible cause Measure
90 Error Bus
monitoring
Bus master does not re‐
turn the toggle bit within
the monitoring interval.
■ Check bus master software.
■ Check the time-out time, see chapter 8.
■ Deactivate monitoring if it has been ac‐
tivated inadvertently. See chapter 8.
Tab. 106 Fault displays in the Communication – Com-Module menu.
Result The bus communication is automatically continued as soon as the cause of the fault is remedied.
10.7.5 Troubleshooting, PROFINET module
10.7.5.1 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. 107 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:
1. For displays on the communication module, see chapter 9.
Please contact KAESER SERVICE techician if the LED MS illuminates red or flashes in a 4:1
rhythm.
2. Displays in the <Communication – Com-Module> menu.
In the 8.2 <Communication – Com-Module> menu, communication faults are displayed as text
beneath the line Status or as a number after the term Error .
No.: Fault text Possible cause Measure
1 COM Module fault Defective module. Call KAESER SERVICE.
2 Communication
error
Bus coupling via communi‐
cation module is interrup‐
ted.
Check bus conduits and plug.
Incorrect IP address set‐
tings or bus parameters in
the module.
Set the values at the
SIGMA CONTROL 2 as parametrised at
the bus master.
3 Firmware error Defective module. Call KAESER SERVICE.
4 COM Module
deactivated
Module is not activated. Start the communication, see chapter 8.
5 COM Module not
identified
No KAESER communica‐
tion module.
Use only original KAESER communica‐
tion module.
10 Fault Recognition and Rectification
10.7 Communication modules
No.: 901700 10 E
Service Manual Controller
SIGMA CONTROL 2 BLOWER ≥ 2.5.3
167

KAESER SIGMA CONTROL 2 Specifications

General

Controller Type	Microprocessor-based
Model	SIGMA CONTROL 2
Manufacturer	KAESER
Input Voltage	24 V DC
Protection Class	IP54
Communication Protocols	Modbus, Profibus
Data Logging	Comprehensive data logging
Remote Monitoring	Yes
Communication Interface	Ethernet