Festo DGCI Série Notice D'utilisation page 42

DGCI−...
Faults on the DGCI
Fault
Faults in position
scanning
Hard impact at the
end positions end positions
Heavy leakage
Linear drive does
not achieve the
desired speed desired speed
Fig. 29
42
Possible cause
Strong external magnetic fields,
environmental influences not within this
specification
Stroke reduction too small
Mass too large
Excessive speed
Insufficient cushioning
See instructions on eliminating faults in the documentation for your controller.
Linear drive fitted distorted
Seal worn
Air volume not sufficient
High friction or counteracting force
Remedy
Eliminate external magnetic fields,
note specification
Increase stroke reduction
(è Commissioning)
Reduce accelerated work mass
Reduce speed
Use external cushioning elements
Fasten the cylinder to a flat base.
Return to Festo for repairs.
Increase cross−section size of con
nections; switch volume upstream
Select larger drive
Festo DGCI−... 0801a English