PREBENA
Wilfried Bornemann GmbH & Co. KG
BEFESTIGUNGSTECHNIK
– FASTENING TECHNOLOGY
29
9
Troubleshooting and fault correction
Table 2
CONDITION
(ERROR)
POSSIBLE CAUSES
SOLUTION
The compressor does not
work and shows an
EMERGENCY status on the
control unit
Check control unit user's manual
Contact the seller / manufacturer
The compressor does not
start
No power.
Activation of the circuit breaker or
fuse in the control and alarm
circuit
Check the power supply.
Check the circuit breaker or fuses
No phase or blown fuse in the
control circuit
Check fuses and
replace if needed
The compressor is pressurised
Check the pressure level of the
compressor; powers up
automatically again when the
pressure is reduced to the set
minimum
Incorrect phase connection
Change phases
Activation of the thermal
protection on the electric motor
Check:
Operating status of the motor and
thermal relay
Belt tension
Air temperature in the control
box.
Contact the seller / manufacturer
Emergency stop button has
been activated
Unlock button. Release is
indicated by a click.
The screws are overheated and
the oil temperature is above 97
С
Check the oil level, filter,
thermostat, radiator
Temperature sensor error
Check the connections, replace if
necessary.
Contact the seller / manufacturer
The temperature of the screw is
lower than 5
С
Check the ambient temperature,
ensure the adequate heating of
the compressor room
The unit powers up poorly.
Incorrect voltage
Check the power supply
Poor oil quality
Replace oil and oil filter
Compressor is pressurised
Check the connections of the
drainage valve and check valve
High oil temperature
Inadequate air supply
Ensure adequate ventilation of the
room
Hot air is being circulated
Check the position of the
compressor and make sure that
the air can freely escape from the
radiator.
Air cooler / condenser is dirty
Clean the air cooler / cooler
Incorrect oil viscosity.
Change the oil
Oil level is too low
Add oil
Oil / air or water separator is
blocked
Replace bocked filters
Thermovalve is defective
Contact the seller / manufacturer.
No air supply through the
air filter
Clogged air filter
Control valve is not working.
Replace or clean
Check control valve
Summary of Contents for SK-15-10
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