KAESER SIGMA CONTROL 2 User Manual

Message Possible cause Remedy
0051 A
Aggregate A
Unit A failed. Contact an authorized KAESER serv‐
ice representative.
0052 A
Aggregate B
Unit B failed. Contact an authorized KAESER serv‐
ice representative.
0053 A
Condensate drain 2
Condensate drain 2 faulty / not
ready.
Too much condensate.
Line interrupted.
Condensate cannot be drained.
Check condensate drain and conden‐
sate lines.
Check the inlet conditions.
Check the lines.
Check the ECO-DRAIN.
0056 A
RD condensate drain
Refrigerated dryer:
Condensate drain faulty.
Refrigerated dryer:
Check condensate drain and conden‐
sate lines.
0057 A
Model?
Machine type unclear. Contact an authorized KAESER serv‐
ice representative.
0058 A
Condensate drain 1
Condensate drain 1 faulty / not
ready.
Too much condensate.
Line interrupted.
Condensate cannot be drained.
Check condensate drain and conden‐
sate lines.
Check the inlet conditions.
Check the lines.
Check the ECO-DRAIN.
0059 A
Back pressure run
Drive belt or coupling broken. Drive belt:
Replace the drive belt.
Coupling:
Contact an authorized KAESER serv‐
ice representative.
0060 A
Softstart
Soft start device alarm. Contact an authorized KAESER serv‐
ice representative.
0062 A
Refrigeration dryer p ⇞
Refrigerated dryer:
Pressure in refrigerant circuit
high.
Pressure monitor triggered.
Clean the refrigerant condenser.
Check the fan motor.
Keep operating conditions within
specified limits.
0063 A
Refrigeration dryer p ⇟
Refrigerated dryer:
Refrigerant loss; pressure in re‐
frigerant circuit too low.
Pressure monitor triggered.
Contact an authorized KAESER serv‐
ice representative.
0064 A
Refrigeration dryer
compressor motor
temperature ⇞
Permissible ambient tempera‐
tures exceeded.
Condenser cooling insufficient.
Compressed air inlet tempera‐
ture too high.
Low refrigerant level.
Check and reduce ambient tempera‐
tures.
Clean the condenser.
Check the fan.
Check compressed air cooling at the
compressor.
Clean the compressor cooler.
Contact an authorized KAESER serv‐
ice representative.
0067 A
SC2 <=> SC2
communication error
Electrical connection interrup‐
ted.
IP configuration incorrect.
Check the electrical connection.
Check the IP configuration.
10 Fault Recognition and Rectification
10.2 Interpreting fault messages
200
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