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 venting
screw on the actuator.
•
Unfavourable effect of the
exterior cleaning of the
plant.
•
If possible, position the
venting screw so that it
faces downwards.
•
When the valve is installed
in the vertical position,
ensure that the venting
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.
Alarms
430BAL011547EN_2
08.07.2019
67