CLR−...
12
Trouble−shooting
Fault
Swivel and clamping
sequence not expected
Proximity switch does
not switch
Hard impact at the end
positions
CLR−... cannot hold the
part to be clamped
Fig. 27
Festo CLR−... 0507b English
Cause
Guide bolt in wrong groove
Ferritic objects in vicinity
(fastening elements)
Mass on clamping finger
too large / non−permitted
parts used
Excessive speed
Insufficient operating
pressure
Possibilities
Modification to the swivel
movement see chapter
Mechanical installation"
Use non−ferritic materials or a
different type of proximity
switch (SMT−8−...)
Use clamping finger with
unmodified clamping screw
Restrict swivel motion more
Increase operating pressure
to maximum permitted value
33