Festo Фиксаторы KPE - Manual (Page 33)

DNCKE-.../KEC-...
Festo DNCKE-.../KEC-... 0204NH English
33
11 Eliminating faults
Fault Possible cause Remedy
Clamping does Clamping unit is not Return to Festo with description of Clamping does
not open Clamping unit is not
sealed tight Return to Festo with description of
fault
Operating pressure too
low Increase operating pressure up to
maximum permitted value.
KEC-... not correctly
adjusted Adjust clamping rod again
(see chapter ”Commissioning –
preparation”)
Clamping rod
b
ks
Mass too high Reduce the accelerated mass
breaks
through
Speed too high Select lower speed / brake
additionally with power valves
Clamping rod dirty Clean the clamping rod with a soft
cloth and protect from dirt
KEC-... not correctly
adjusted Adjust clamping rod again
(see chapter ”Commissioning –
preparation”)
Hard knocking
in cylinder end
position Speed too high
Insufficient cushioning Reduce impact speed / increase
cushioning or use additional
external cushioning elements
Faults in
position
i t
ti
Position of the proximity
switch incorrect Correct the position of the
proximity switch
interrogation
on the
DNCKE-...
Incorrect type of proximity
switched used Use only proximity switches of
type SME/SMT-8-...-B
Proximity switch defective Replace proximity switch
Ferritic parts in vicinity of
proximity switch Use parts made of non-magnetic
materials
Fig. 29