Owner's manual

5. Diagnostics and error handling
5−19
Festo P.BE−CPX−CMAX−SYS−EN en 0908NH
Malfunction group 4  System error A
CPX error group 104 (CPX−MMI: [System error A])
No. Message Cause/description Error handling Type
1)
40 Invalid control mode
with force control
Force control set for
DSMI.
· DSMI cannot execute
force control com
mands.
Error
level: F1
Reset: R
Impermissible control
mode set in RCB1 or
CDIR.
· Correct RCB1 or CDIR.
41 Positioning mode ’Rela
tive’ with tracking mode
not allowed
Relative bit
(CDIR.ABS=1) set in
tracking mode.
· Continuous setpoint
specification may
only be done abso
lutely.
Error
level: F1
Reset: R
42 Reserved control bits set Reserved and unused
bit set in CCON, CPOS or
CDIR is set.
· Check CCON, CPOS
and CDIR and correct.
Error
level: W
Reset: F
43 No periphery available
or communication of
axis string disturbed
While initialising the
axis string, neither a
valve nor a displace
ment encoder was
found.
· Check the installation
Error
level: F2
Reset: N
Communication dis
turbed, e.g. by impermis
sible or damaged com
ponents in the axis
string.
· Check installation
and exchange com−
ponents, if necessary
Communication with the
valve and displacement
encoder is disturbed.
· Check lines and com
ponents.
1)
For the error level and reset type, see section 5.2.3.