Malfunction
Cause
Remedy
Valve feedback not correct.
•
The feedback unit is not
fitted correctly.
•
The proximity switch is not
in the correct position or is
defective.
•
Fault in the power supply.
•
Check that the feedback
unit has been fitted
correctly.
•
Check the position of the
proximity switch and re-
adjust if necessary.
•
Check the wiring.
Actuator is filling with water.
•
Unfavourable installation
position of the vent screw
on the actuator.
•
Unfavourable effect of the
exterior cleaning of the
plant.
•
If possible, position the vent
screw so that it faces
downwards.
•
When the valve is installed
in the vertical position,
ensure that the vent screw
faces away from the
cleaning direction if
possible.
The TEFASEP valve seat seal
is not tight after commissioning
or maintenance.
•
The valve seat seal has not
been fitted correctly.
•
In case of a new seal: The
valve has not been
actuated during/
immediately after
sterilization.
•
Fit the valve seat seal
properly.
•
Actuate the valve during/
immediately after
sterilisation.
The desired closing pressure
for the valve seat is not
reached.
•
Leakage in the actuator.
•
Supplied control air
pressure is too low
•
Check the sealing surfaces
in the drive for damage and
replace seals.
•
Check installation and
settings of the air supply.
Alarms
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Summary of Contents for Aseptomag GD
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