Festo CMSH - Page 73

Festo — CMSH — 2021-10
Malfunctions
73
ID Message NAM
UR
1)
Possible cause Notes/remedies
1174 Covered distance
limit armature
exceeded
2)
–
Set threshold value
exceeded
–
Process valve service life
reached
–
Oscillating behaviour
–
Repeated position drift
and readjustment due to
severe compressed air
leakage
–
Service the process valve
and replace if necessary.
–
Optimise control parame-
ters.
1184 Number of move-
ments armature
exceeded
2)
–
Set threshold value
exceeded
–
Process valve service life
reached
–
Oscillating behaviour
–
Repeated position drift
and readjustment due to
severe compressed air
leakage
–
Service the process valve
and replace if necessary.
–
Optimise control parame-
ters.
1187 Number of direction
changes armature
exceeded
2)
–
Set threshold value
exceeded
–
Process valve service life
reached
–
Stick-Slip behaviour
–
Repeated position drift
and readjustment due to
severe compressed air
leakage
–
Service the process valve
and replace if necessary.
–
Check drive and/or
process valve for changes
in friction.
1298 Initialization failed:
Incorrect potentiom-
eter value
–
Drive outside the oper-
ating range of the potenti-
ometer
–
Check whether the posi-
tioner is correctly mounted
on the drive.
–
With external potentiom-
eter: check attachment
position of the potentiom-
eter.