Message Possible cause Remedy
0057 W
External counter 3
1)
0058 W
SC2 <=> SC2
communication error
Electrical connection interrupted.
IP configuration incorrect.
Check electrical connection.
Check IP configuration.
0059 W
Start temperature ↓↓
Airend temperature too low (<−10 °C) for
machine to be operated.
Keep ambient conditions with‐
in specified limits.
0060 W
Start temperature ↓
Airend temperature too low (<+2 °C). Keep ambient conditions with‐
in specified limits.
0061 W
Compressor T ↓
Airend discharge temperature (ADT) did
not reach minimum required value within
the specified time.
Contact an authorized KAES‐
ER service representative.
0062 W
Refrigeration dryer p ⇞
Refrigerated dryer:
Pressure in refrigerant circuit too high.
Safety pressure switch triggered
Clean refrigerant condenser.
Check fan motor.
Keep operating conditions
within specified limits.
0063 W
Refrigeration dryer p ⇟
Refrigerated dryer:
Refrigerant loss; pressure in refrigerant
circuit too low. Suction pressure switch
triggered.
Contact an authorized KAES‐
ER service representative.
0064 W
Refrigeration dryer
compressor motor
temperature ⇞
Permissible ambient temperatures ex‐
ceeded.
Condenser cooling insufficient.
Compressed air inlet temperature too
high.
Low refrigerant level.
Check/reduce ambient tem‐
peratures.
Clean condenser.
Check fan.
Check compressed air cool‐
ing on the compressor.
Clean compressor cooler.
Contact an authorized KAES‐
ER service representative.
0065 W
Refrigeration dryer
external shut-off
Room temperature low.
Danger of refrigerated dryer freezing.
Refrigerated dryer deactivated automati‐
cally.
Keep ambient conditions with‐
in specified limits.
Check temperature sensor.
0067 W
System pressure ↑
Network pressure above the “Network
pressure high” setting.
Check line path and sensor
connection.
Check the “Network pressure
high” warning setting.
0068 W
Condensate drain 1
Condensate drain faulty / not ready.
Too much condensate.
Line interrupted.
Condensate cannot be drained.
Check condensate drain and
condensate lines.
Check lines.
Check ECO-DRAIN.
Check inlet conditions.
0069 W
Error operation without
RD → Call service!
Refrigerated dryer defective.
Compressed air supply without air drying
is activated.
Contact an authorized KAES‐
ER service representative im‐
mediately.
10 Fault Recognition and Rectification
10.3 Interpreting warning messages
210
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.1.2 No.: 9_9450 13 USE