Manual

29
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
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 regulating valve is dirty so
that the permissible vacuum
value is exceeded
Clean or replace the regulat-
ing valve
Section 7.2
Section 7.4
The machine makes
a abnormal noise
Deposits on the rotary piston Clean the working space and
the rotary piston
Elmo Rietschle
Service
The regulating valve is vibrat-
ing
Replace the valve Section 7.4
Please contact Elmo Rietschle Service for other malfunctions or those that cannot be eliminated.