Eliminating Faults - Festo YSRWJ-A Serie Instrucciones De Utilizacion

YSRWJ-...-A
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Eliminating faults

Fault
Hard knocking in
stroke end position t k
Loud knocking at
start of stroke
Faults in position
interrogation
Fig. 17
Festo YSRWJ-...-A 0008NH English
Possible cause
Shock absorber defective
d iti
Positioning element over-
loaded
Rubber buffer worn
Position of proximity switches
incorrect
Incorrect type of proximity
switched used
Proximity switch defective
Ferritic parts in vicinity of
proximity switch
Remedy
Replace shock absorber
Reduce the impact speed
Replace rubber buffer
(only with YSRWJ-7/8-...)
Correct position of proximity
switches
Use only proximity switches of
type SME/SMT-8-...-B
Replace proximity switch
Use parts made of non-
magnetic materials
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