Table 17:
Warnings and Out of specification
RemedyDescription/causeIndication on display
Press push button Details to display a list of indi-
vidual indications.
For a description of the individual signals, refer to
<Individual signals> table/ Config. warning (collect-
ive signal 06).
Collective signal 06:
Possible cause:
Configuration setting is incorrect.
The device can still be operated with restrictions.
Config. warning
Press push button Details to display a list of indi-
vidual indications.
For a description of the individual signals, refer to
<Individual signals> table/ Internal warning (collect-
ive signal 15).
Collective signal 15:
Device warnings
The device can still be operated with restrictions.
Internal warning
Check 24 V DC voltage supply.The external 24 V DC voltage supply of the controls
has exceeded the power supply limits.
24 V DC external
●
Check modulating behaviour of actuator.
●
Check parameter Perm. run time M0356, re-
set if required.
Warning on time max. running time/h exceeded
Wrn op.mode run time
●
Check modulating behaviour of actuator.
●
Check parameter Permissible starts M0357,
re-set if required.
Warning on time max. number of motor starts
(starts) exceeded
Wrn op.mode starts
Verify signals:
●
Setpoint E1
●
Actual value E2
●
Actual process value E4
The failure behaviour is active since all required
setpoints and actual values are incorrect.
Failure behav. active
Check wiring.Warning: Loss of signal analogue input 1
Wrn input AIN 1
Check wiring.Warning: Loss of signal analogue input 2
Wrn input AIN 2
Check setpoint signal.Warning: Loss of signal setpoint position
Possible causes:
For an adjusted setpoint range of e.g. 4 – 20 mA,
the input signal is 0 (signal loss)
For a setpoint range of 0 – 20 mA , monitoring is
not possible.
Wrn setpoint position
The warning indications are automatically cleared
once a new operation command is executed.
●
Check valve.
●
Check parameter Perm.op. time, manual
M0570.
The set time (parameter Perm.op. time, manual
M0570) has been exceeded.The preset operating
time is exceeded for a complete travel from end
position OPEN to end position CLOSED.
Op. time warning
Measure/reduce ambient temperature.Temperature within controls housing too high.
Wrn controls temp.
Set time.Real time clock has not yet been set.
Time not set
Replace button cell.Voltage of the RTC button cell is too low.
RTC voltage
Check actuator (PVST settings).Partial Valve Stroke Test (PVST) could not be suc-
cessfully completed.
PVST fault
Perform RESET or restart PVST.Partial Valve Stroke Test (PVST) was aborted or
could not be started.
PVST abort
●
Check movement at actuator.
●
Check parameter Reaction time M0634.
No actuator reaction to operation commands within
the set reaction time.
Wrn no reaction
Check/repair FO cables.Optical receiving signal (channel 1) incorrect (no or
insufficient Rx receive level) or RS-485 format error
(incorrect bit(s))
Wrn FOC
1)
Check/repair FO cables.Warning: FO cable system reserve reached (critical
or permissible Rx receive level)
Wrn FO cable budget
1)
Fit FO cable connection.Warning FO cable connection is not available.
Wrn FOC connection
1)
Check parameter Wrn torque OPEN M0768, re-
set if required.
Limit value for torque warning in direction OPEN
exceeded.
Torque wrn OPEN
Check parameter Wrn torque CLOSE M0769, re-
set if required.
Limit value for torque warning in direction CLOSE
exceeded.
Torque wrn CLOSE
Execution of PVST (Partial Valve Stroke Tests) is
required.
PVST required
Maintenance is required.
Maintenance required
For actuator controls with FOC connection1)
123
Actuator controls
ACV 01.2/ACVExC 01.2 Corrective action