BERG KOMPBERG BSDF 30 Operating And Maintenance Manual page 42

Incorrect operation of the oil
thermostat.
Other causes
The pressure switch is set
incorrectly or incorrect setting in
the microprocessor controller.
The compressor capacity is too
low in relation to the compressed
air demand.
Leaky compressed air system.
Dirty or faulty oil separator.
Too low delivery
pressure
Dirty air filter
Faulty suction regulator
Dirty or faulty oil separator.
Incorrect oil
The compressors starts too often
Excessive oil
quantity in the
Too short unloading time
compressed air
No or insufficient suction of oil from
the separator.
Too high oil level
Too high ambient temperature
Activation of the
Failure of one phase in the power
motor protection
supply of the motor.
42
Operating and Maintenance Manual 09/2019 – part I
Screw compressors
In case of any malfunctions, contact
the BERG service or authorised
service centre listed in the Warranty
Book.
In case of any malfunctions, contact
the BERG service or authorised
service centre listed in the Warranty
Book.
Adjust the pressure switch or enter
the correct settings into the controller.
Install an additional compressed air
source or limit the number of
compressed air receivers in the
system.
Check the system for leaks and repair
them.
Replace with the new one (during the
warranty period, any defects/
replacement needs must be reported
to the BERG service or authorised
service centre listed in the Warranty
Book).
Clean or replace the air filter cartridge,
if necessary.
In case of any malfunctions, contact
the BERG service or authorised
service centre listed in the Warranty
Book.
Replace with the new one (during the
warranty period, any defects/
replacement needs must be reported
to the BERG service or authorised
service centre listed in the Warranty
Book).
Change the oil to the one
recommended by the manufacturer.
Install the additional compressed air
receiver tank, increase the difference
between cut-in and cut-out pressure
of the compressor.
Adjust the nozzles in the suction
system.In case of any malfunctions,
contact the BERG service or
authorised service centre listed in the
Warranty Book.
Dirty conduit or components in the
suction system. In case of any
malfunctions, contact the BERG
service or authorised service centre
listed in the Warranty Book.
Check and provide the correct oil
level, if necessary.
Provide better ventilation of the room.
Check the power cables, contactor
and protection, check also the
electrical system supplying the
compressor.