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© Gardner Denver Schopfheim GmbH, Gardner Denver Deutschland GmbH
Malfunctions: Causes and elimination
Fault
Cause
Troubleshooting
Important
Excess pressure or
vacuum not achieved
Machine or system leaking
Check the pipework and
screw connections for leaks
and to ensure that they are
fi rmly seated.
Section 7.2
Machine gets too hot
Ambient or intake temperature
is too high
Ensure it is being used prop-
erly
Section 2.3
Cooling air supply is ob-
structed
Check environmental condi-
tions
Section 5.1
Clean ventilation slots
Section 7.2
The suction fi lter cartridges
are dirty
Clean or replace the fi lter
cartridges
Section 7.2.2
Section 7.4
The relief valves are dirty so
that the permissible pressure
and / or vacuum values have
been exceeded.
Clean or replace the regulat-
ing valves
Section 7.2
Section 7.4
The machine makes
an abnormal noise
Deposits on the rotary piston
Clean the working space and
the rotary piston
Elmo Rietschle
Service
A relief valve is vibrating
Replace the valve
Section 7.4
Please contact Elmo Rietschle Service for other malfunctions or those that cannot be eliminated.