KAESER SIGMA CONTROL 2 User Manual

Message Possible cause Remedy
0004 A
EMERGENCY STOP
EMERGENCY STOP push but‐
ton actuated.
Unlock the push button.
0005 A
Oil separator
Temperature ⇞
Maximum air temperature at oil
separator tank outlet exceeded.
Check line path to the trip device.
Check the oil separator cartridge for
damage.
0006 A
Surge arrester
High voltage in the power supply
(Canadian version only).
Check power supply
Contact an authorized KAESER serv‐
ice representative.
0007 A
Power supply monitor
High voltage or low voltage in
the power supply.
Check voltage alarm setting and pow‐
er supply.
Contact an authorized KAESER serv‐
ice representative.
0008 A
Diagnostics group alarm
A diagnostic message has oc‐
curred.
For more details, see diagnostic mes‐
sage text.
0010 A
Blow-off protection ⇞
Safety relief valve actuating
pressure on oil separator tank
exceeded.
Check the safety relief valve.
0011 A
Oil-/air cooler fan
overcurrent
Overload shutdown of fan mo‐
tor.
Determine cause of shutdown.
Reset the overload relay.
0012 A
Access doors
Maintenance door opened / cov‐
er panel removed whilst ma‐
chine is running.
Close all maintenance doors/cover
panels.
0013 A
Compressor motor
overcurrent
Overload shutdown of compres‐
sor motor.
Determine cause of shutdown.
0014 A
Oil cooler fan overcurrent
Overload shutdown of oil cooler
fan motor.
Determine cause of shutdown.
Reset the overload relay.
0015 A
Airend discharge
temperature ADT ⇞
Maximum permissible airend
discharge temperature (ADT)
exceeded.
Keep ambient conditions within speci‐
fied limits.
Clean the cooler.
Check the cooling oil level.
0016 A
Air cooler - Fan
overcurrent
Overload shutdown of the air
cooler fan motor.
Determine cause of shutdown.
Reset the overload relay.
0017 A
Safety shutdown ADT
Maximum permissible airend
discharge temperature (ADT)
exceeded.
Keep ambient conditions within speci‐
fied limits.
Clean the cooler.
Check the cooling oil level.
0018 A
Interior fan overcurrent
Overload shutdown of the air
cooler fan motor.
Determine cause of shutdown.
Reset the overload relay.
0019 A
Internal pressure pi in
idle ⇟
Inlet valve defective. Contact an authorized KAESER serv‐
ice representative.
10 Fault Recognition and Rectification
10.2 Interpreting fault messages
198
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.1.2 No.: 9_9450 13 USE

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