Malfunction
Suction capacity is in-
sufficient (continued)
Suction capacity is
insufficient and pump
runs at maximum
speed
Final pressure (max.
vacuum) is not
reached
Pump gets too hot
The machine makes a
strange noise
Pump switches off
Display remains dark
Utilisation continuous-
ly at 100%
Utilisation continuous-
ly at 25 %
If the malfunctions cannot be localised or eliminated by information provided in the table above,
please contact our customer service.
Prematic AG, Märwilerstrasse 43, 9556 Affeltrangen www.prematic.ch
Cause
Solenoid valve opens too early Adapt limit value of solenoid
Too high demand.
Machine or system leaking
Ambient or inlet temperatures
too high
Cooling air supply is
obstructed
Deposits on the rotary piston
Pump starts too fast and re-
ports error
Pump gets too hot
Maximum pressure exceeded
Power supply of display
disconnected
Display defective
Pump capacity too low
Machine or system leaking
Pump capacity too high
Malfunctions: Causes and elimination
Elimination
valve (it is too near to the set-
point value).
Reduce number of consumers
or check system for leaks
Check the pipework and screw
connections for leaks and
check for tight fit
Ensure proper use
Check ambient conditions
Clean ventilation slots
Clean the working space and
the rotary piston
Check run-up time, depends
on demand
Check number of starts/stops
Wait until pressure has
reached the maximum value
and restarts automatically.
Check voltage of display
Check the fuse in the control
box and replace, if necessary
Check the switch-mode power
supply in the control box
Replace display
Install a pump with higher
capacity
Check the pipework and screw
connections for leaks and
check for tight fit
Install a pump with lower
capacity
www.gd-elmorietschle.com © Gardner Denver Schopfheim GmbH
Tel. 071 918 60 60, Mail: v-g@prematic.ch
Note
Chapter 6.3.3
–
Chapter 7.2
Chapter 2.3
Chapter 5.1
Chapter 7.2
Elmo Rietschle
Service
–
Chapter 4.4
–
Chapter 5.5
Chapter 5.5
–
Elmo Rietschle
Service
Elmo Rietschle
Service
Chapter 7.2
Elmo Rietschle
Service
41
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