Operating Instructions

Corrective action
Faults during operation/commissioning
60 | 80
A6V12052002
Corrective action
Faults during operation/commissioning
Table 8: Faults during operation/commissioning.
Fault
Description/cause
Remedy
Mechanical position
indicator cannot be set.
Reduction gearing is not suitable
for turns/stroke of the actuator.
Set gear stage of the reduction gearing.
The control unit may need to be
exchanged.
In spite of correct setting of
limit switching, actuator
operated into the valve end
position.
The overrun was not considered
when setting the limit switching.
The overrun is generated by the
inertia of both the actuator and
the valve and the delay time of
the actuator controls.
● Determine overrun: Overrun =
travel covered from switching off
until complete standstill.
● Set limit switching again
considering the over-run. (Turn
handwheel back by the amount of
the overrun)
Handwheel rotates on the
shaft without transmitting
torque.
Actuator in version with overload
protection for manual operation:
Shear pin rupture due to
excessive torque at handwheel.
Dismount handwheel. Replace overload
protection and remount handwheel.
Fault indications and warning indications
Faults interrupt or prevent the electrical actuator operation. In the event of a fault, the
display backlight is red.
Warnings have no influence on the electrical actuator operation. They are for
information only. The display remains white.
Collective signals include further indications. They can be displayed using the
Details push button. The display remains white.
Table 9: Faults and warnings through status indications in the display.
Indication on display
Description/cause
Remedy
S0001
Instead of the valve position, a
status text displays
For a description of the status texts, see the
Manual (Operation and setting).
S0005
Warnings
Collective signal 02:
Indicates the number of active
warnings.
For indicated value > 0: Press push button
Details.
For details, see the <Warnings and Out of
specification> table.
S0006
Not ready REMOTE
Collective signal 04:
Indicates the number of active
signals.
For indicated value > 0: Press push button
Details.
For details, see the <Not ready REMOTE and
Function check> table.
S0007
Fault
Collective signal 03:
Indicates the number of active
faults.
The actuator cannot be
operated.
For indicated value > 0: Press push button
Details to display a list of detailed indications.
For details, see the <Faults and Failure> table.