Elmo Rietschle C-DLR 60/100/120/150/250/300/400/500 - Manual (Page 29)

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Malfunctions: Causes and elimination
Fault Cause Troubleshooting Important
Final pressure (max.
excess pressure) has
not been 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
Driving power selection too
low Use next largest motor output Data sheet D
361
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 safety valve is dirty so
that the permissible pressure
is exceeded. Clean or replace the safety
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 safety valve is vibrating Replace the valve Section 7.4
Please contact Elmo Rietschle Service for other malfunctions or those that cannot be eliminated.