Message Possible cause Remedy
0056 A
RD condensate drain
Refrigerated dryer:
The condensate drain is de‐
fective.
Refrigerated dryer:
Check condensate
drain and conden‐
sate conduits.
0057 A
Model?
Compressor model uncer‐
tain.
Contact
KAESER Service.
0058 A
Condensate drain
The condensate drain is de‐
fective.
Check condensate
drain and conden‐
sate conduits.
0059 A
Back pressure run
Drive belt or coupling bro‐
ken.
Drive belt:
Replace drive belt.
Coupling:
Contact
KAESER Service.
0061 A
Oil separator rise dT/dt ⇞
The rate of rise of the air‐
end discharge temperature
is too fast.
Check the cooling oil
level.
0062 A
Refrigeration dryer p ⇞
Refrigerated dryer:
Pressure too high in the re‐
frigerant circuit.
Safety pressure switch trip‐
ped.
Clean the refrigerant
liquefier.
Check the fan motor.
Maintain operating
conditions.
0063 A
Refrigeration dryer p ⇟
Refrigerated dryer:
Refrigerant lost; pressure in
the refrigerant circuit too
low. Inlet pressure switched
tripped.
Contact
KAESER Service.
0081 A
0082 A
0083 A
0084 A
0085 A
0086 A
0087 A
0088 A
0089 A
9 Fault Recognition and Rectification
9.2 Interpreting alarm messages
160
Service manual Controller
SIGMA CONTROL 2 SCREW FLUID 1.1.3 9_9450 03USE
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