User Manual

34
| www.gd-elmorietschle.com © Gardner Denver Schopfheim GmbH, Gardner Denver Deutschland GmbH
Malfunctions: Causes and elimination
Fault Cause Troubleshooting Important
Final pressure (max.
vacuum) is not
reached
Machine or system leaking Check the pipework and
screw connections for leaks
and to ensure that they are
fi rmly seated
Section 7.2
Too little cooling water Note cooling water consump-
tion
Section 9
The mesh fi lter is dirty Clean or replace the mesh
fi lter
Section 7.2.2
Section 7.4
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 the cooling ribs Section 7.2
The cooling water system is
obstructed
Check the cooling water sys-
tem and the pipes
Section 7.2
Too little cooling water Note cooling water consump-
tion
Section 9
Cooling water infl ow is too hot Note the max. intake tem-
perature
Section 9
The machine makes
a abnormal noise
Deposits on the rotors Clean the working space and
the rotors
Elmo Rietschle
Service
Please contact Elmo Rietschle Service for other malfunctions or those that cannot be eliminated.