Festo Линейные модули HMP - Manual (Page 50)

HMP−...−B−...
Festo HMP−...−B−... 0408NH English
50
11 Eliminating faults
Fault Possible cause Remedy
Uneven
movement of
the guide tube One−way flow control valve
inserted incorrectly Restrict exhaust if possible
(as supplied from the factory)
the guide tube
No compressed air supply
due to non−permitted cable
bends Observe the min. permitted bending
radius of the protective cable tube
(see chapter Technical data)
Guide tube
does not reach
the stroke end
position Adjusting screw of the
one−way flow control valves
closed completely Open adjusting screw
Faults in posiĆ
tion scanning Ferritic parts in the vicinity of
the proximity switch Use parts made of non−magnetic
materials
LED on the
HMP−...−EL
does not Connection fault Cabling see chapter Fitting electric
components
does not
lightĂup
Non−permitted cable bends Observe permitted cable bending
radius
Jumper setting on the
HMP−...−EL does not
correspond to switch output
of proximity switch Place the jumper on the HMP−...−EL in
accordance with chapter Fitting
electric components
Mixed operation with positive
and negative−switching
proximity switches Use proximity switches with the
same switch output
Proximity
switch does
not switch Connection fault Connect proximity switch in
accordance with these operating
instructions
Cable fracture Replace proximity switch
Proximity switch defective
Heavy leakage Linear module fitted distorted Fasten linear module to flat surface
Seals worn Replace worn parts
Ĉ yourself with the wearing parts kit
Ĉ Return product to Festo for repairs