User guide

4. Faults and diagnostics
4−15
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
Fault group 2  execution error
CPX error group 102 (CPX−MMI: [Record error] ) continued
No. Message Cause/description Error handling Type
1)
27 Sequencing condition
cannot be reached
during the positioning
task.
Sequencing position is
not between the start
ing position (last set
point value or actual
value at the time of
sequencing) and the
new setpoint position,
or both positions are
identical.
· Check sequencing
conditions and cor
rect if necessary.
Check program se
quence in the PLC.
After a stop or error,
the previous position
must be approached
once more.
Level: F1 (W)
Reset: R
Info: x
Sequencing force is not
between the starting
force (last setpoint value
or actual value at the
time of sequencing) and
the new setpoint force.
28 Sequencing condition
was not reached
Sequencing was not ex
ecuted. MC was reached
before the sequencing
condition was fulfilled.
· Check sequencing
condition, parame
trise as warning, if
necessary.
Level: F1 (W)
Reset: R
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