Elmo Rietschle S-VSI 300(44) - Manual (Page 33)

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Malfunctions: Causes and elimination
Fault Cause Troubleshooting Important
Final pressure (max.
vacuum) is not
reached Pump or system vacuum
leaks Check the pipe work and
screw connections for leaks
and to ensure that they are
firmly seated Section 7.2
Insufficient cooling water Note cooling water
consumption from data sheet Section 9
The mesh filter is dirty Clean or replace the mesh
filter Section 7.2.2
Section 7.4
Pump gets too hot Ambient or intake temperature
is too high Recheck operating
parameters Section 2.3
Cooling air supply is
obstructed Check environmental
conditions Section 5.1
Clean the cooling fins Section 7.2
The cooling water system is
obstructed Check the cooling water
system and the pipes Section 7.2
Insufficient cooling water Note cooling water
consumption Section 9
Cooling water inflow is too hot Note the max. intake
temperature
Section 9
The pump makes a
abnormal noise Deposits on the rotors Clean the compression
chamber and the rotors Elmo Rietschle
Service
Please contact Elmo Rietschle Service for other malfunctions or those that cannot be eliminated.