User guide

4. Faults and diagnostics
4−22
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
Fault group 4  system error A
CPX error group 104 (CPX−MMI: [System error A] ) continued
No. Message Cause/description Error handling Type
1)
44 Teaching not possible
2)
Teaching (falling edge on
CPOS.TEACH) is trig
gered unintentionally
through disconnection or
switching off the control.
· Only activate
CPOS.TEACH = 1 (pre
pare teaching) directly
before the teaching
process. Always end
teaching immediately.
Level: F1
Reset: R
Info: x
Teaching not possible
during direct operating.
· Change operating
mode.
Teaching not possible
during active commis
sioning operation.
· First end commission
ing operation.
In BA commissioning the
teaching target in para
meter 1 is invalid.
· Correct parameter 1.
Without reference teach
ing is not possible.
· Perform homing prior
to teaching.
Lower software end
position (SWEL) is
larger/the same as the
upper software end
position when teaching
the SWEL to BA com
missioning. It is not
adopted.
· Teach upper SWEL
first.
· Correct the teach
position.
Continued...
Upper software end
position (SWEP) is
smaller/the same as the
lower software end
position when teaching
the SWEP to BA com
missioning. It is not
adopted.
· Teach lower SWEP
first.
· Correct the teach
position.
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)
For exact cause, see diagnostic memory.