Faults, Cause and Remedy
7 — 3
06_0049_0802GB
Machine does not start when switched on. The ”tank pressure” gauge displays 3 to 10 bar.
The compressor makes a humming noise.
Cause
Remedy
The power supply was
interrupted during operation.
Switch off the machine to depressurise the pressure line.
Restore the power supply.
Switch the machine on again.
Machine does not start when switched on. The ”working pressure” gauge displays 7 to 10 bar.
Cause
Remedy
The pressure in the pressure
tank is too high.
Switch off the machine.
Open the drain valve to depressurise the tank.
Close the drain valve again.
Switch the machine on again.
When switched on, the machine starts up and then switches off again immediately.
Cause
Remedy
Power surges (excess current).
Switch
off
the
machine
and
wait
for
a
short
time.
Switch
the
machine
on
again.
Consult
the
relevant
service
department
at
Maschinenbau
Rudolf GmbH
if
the
fault
occurs
more
than
once.
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