Eliminating Faults - Festo SLG-Z Series Operating Instructions Manual

SLG−Z−...
9 Accessories
Designation
Proximity switches
Centring pin
Screw connector
Shock absorber
Start−up valve
Fig. 26
10

Eliminating faults

Fault
Hard knocking in
stroke end position stroke end position
Loud knocking at
start of stroke
Faults in position
interrogation
Fig. 27
28
Type
SME−10−.../SMT−10−...
ZBS−...
QSLM−M3−...
LCN−M3−PK−... (for fitting into restricted spaces)
YSRG−...
HEL−...
Possible cause
Shock absorber defective
Stop overloaded
Rubber buffer worn
Position of the 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
Correct position of proximity
switches
Use only proximity switches of
type SME/SMT−10−...
Replace proximity switch
Use parts made of non−
magnetic materials
Festo SLG−Z−... 0512a English