User guide

4. Faults and diagnostics
4−17
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
Fault group 3  control error
CPX error group 103 (CPX−MMI: [Control error] ) continued
No. Message Cause/description Error handling Type
1)
31 No movement after
start
2)
Pressure could not be
built up.
· Check supply pres
sure.
Level: F1
Reset: R
Info x
Drive jammed or slug
gish.
· Check guide and
mechanical structure.
Info: x
Working pressure not
sufficient to move the
mass.
· Set sufficient working
pressure and check
configuration of the
mass.
Valve defective. · Check pressure
build−up with trace,
exchange valve if
necessary.
Faulty tubing connection. · Check tubing connec
tion.
Valves installed between
valve and cylinder
(emergency stop) are
closed.
· Open valves.
32 Target force outside of
the force limits
Target force outside of
the set force limits.
· Correct target force
or force limit.
Level: F1 (W)
Reset: R
Info x
The target force is larger
than the maximum force
that can be reached (the
maximum attainable
target force determined
by the CMAX may devi
ate from the theoretical
value calculated by the
FCT).
· Correct target force,
increase supply pres
sure, reduce moving
mass in vertical struc
ture, use larger drive.
Info: x
1)
Level: fault level, see section 4.2.3; (can alternatively be parametrised as a warning or error)
Reset: behaviour upon reset, see section 4.2.4
Info:  = no info; x = additional info, see FCT or section 4.3.3
2)
e.g. setoff timeout, i.e. the drive did not perform the minimal stroke of 11 mm within the timeout
time, or during identification.