Event Recognition and Fault Rectification
9 --- 46
Message RemedyPossible cause
motor T
Drive motor overheated. Ensure adequate ventila-
tion.
Install an extractor.
Clean the motor.
motor bearings Drive motor bearings over-
heated.
Grease the motor bearings
with the greasing device.
Neutral p---switch Customer specific:
No data
Neutral T---switch Customer specific:
No data
no press.buildup Machine produces no com-
pressed air.
Working pressure stays
below 3.5 bar within a
preset period.
Check the machine for
leaks.
Check coupling / V---belts
Contact KAESER service.
oil p
No changeover to load as
long as the minimum oil
pressure is not reached.
Check oil circulation.
Check pressure switch, line
and connection.
PD temperature
Package discharge tem-
perature too low.
Contact KAESER service.
PD temperature
Package discharge tem-
perature too high.
Check the fan motor.
Clean the cooler.
Check the cooling oil level.
pRV
The activating pressure of
the pressure relief valve on
the oil separator tank has
been exceeded.
Replace the pressure relief
valve.
RD compr. p
Pressure switch for the re-
frigerant compressor has
activated.
Ensure adequate ventila-
tion.
Clean the refrigerant con-
denser.
Clean the cooler.
RD compr. T
Temperature in the refriger-
ant dryer too high.
Clean the refrigerant con-
denser.
Ensure adequate ventila-
tion.
Install an extractor fan.
Clean the cooler
RD compr. T
Temperature in refrigeration
dryer too low.
Contact KAESER service.
separator dp
Oil separator cartridge
clogged.
Replace the oil separator
cartridge.
separator T
Maximum air temperature
on oil separator tank outlet
exceeded.
Check the line to the trip
relay.
SFC Frequency converter faulty. Contact KAESER service.
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