User Manual

5. Diagnosis and error treatment
5-7
Festo P.BE-SPC11-SYS-EN en 1406e
2) Bad behaviour during mo vement to end position
Cause
Remedy Remarks
System is not mounted correctly Check fitting and
mechanical parts
Check measuring system and drive
for parallelism, mechanical play
and sluggishness
System is not earthed correctly Check See chapter 3
Parameters are not set optimally Check parameters See “Drive-Specific Supplement”
manual
High fluctuations in supply
pressure (› 0.5 bar)
Check the supply
pressure
If necessary, fit a compressed air
reservoir.
Non-permitted mass load Check mass load and
parameters
If necessary, place a basic load in
position, in order that the maximum
permitted value range is not
exceeded during positioning with
different masses.
During too fast/hard movement
into the end positions
Increase the cushioning
stage (parame ter C)
See section 5.4
During too slow/soft movement
into the end positions
Reduce the cushioning
stage (parame ter C)
See section 5.4
3) Mass moves to end position without a command
Cause
Remedy Remarks
Proportional directional control
valve is defective
Check and, if necessary,
replace proportional
directional c ontrol valve
You can c heck t hrough the viewing
window to see if the valve slide
jams.
1)
1)
See operating instructions for valve MPYE-5-...