HMP−...−B−...−Z..−...
Festo HMP−...−B−...−Z..−... 0412NH English
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9
Eliminating faults
Fault
Possible cause
Remedy
Hard striking of
the stop lever
Transport time too brief
(speed too high)
Increase transport time (reduce
speed)
Mass too large
Reduce the mass
Rubber buffer worn
Replace rubber buffer
Linear module moves
against a non−pressurized
chamber
Pressurize the cylinder chamber
on the stroke side of the linear
module
Stop lever does
not move out
Pressure at intermediate
position module too low
Pressurize the intermediate posi
tion module with at least 4 bar
Incorrect actuation
Check the pneumatic circuit
diagram
Intermediate position
module defective
Return to Festo
Faults in position
scanning
Multiple switching cycles
Consider the direction of move
ment for setting the proximity
switch (see chapter Fitting elec
tric components")
Incorrect type of proximity
switch used
Use only proximity switches of
type SME/SMT−10−...
Proximity switch defective
Replace proximity switch
Position of proximity
switches incorrect
Correct position of proximity
switches
Fig.20
