5. Diagnosis and error treatment
5-7
Festo P.BE-SPC11-SYS-ASI-EN en 0203NH
5.3 Faults during operation
1)Themassdoesnotmove.
Cause
Remedy Remarks
No supply pressure Check 5...7 bar required
Valve cable not connected correctly Check See section 3.3.5
Proportional directional control
valve is defective
Check and, if necess-
ary, replace
You can check through the viewing
windowtoseeifthevalveslide
jams.
1)
There are several simultaneous
positioning orders
Check input bits
P.01...P.04
Theremustonlybeonepositioning
order
1) See operating instructions for valve MPYE-5-...
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 manual “Drive-specific supple-
ment”
High fluctuations in supply pressure
(
> 0.5 bar)
Check the supply
pressure
If necessary, fit a compr essed air
reservoir
Non-permitted mass load Check mass load and
parameters
If necessary, place a basic loa d in
position, in order that the maximum
permitted value range is not ex-
ceeded during positioning with
different masses.
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