Burkert 3005 Démarrage Rapide page 39

11.2. maintenance Work
The rotary actuator is maintenance-free when operated according to
the instructions indicated in this manual.
11.3. malfunctions
malfunctions
→
The rotary Check the power supply.
→
actuator does
Check the connections according to the sup-
not function
plied circuit diagram.
(initial start-up).
→
The rotary Check the power supply.
→
actuator is
Check the connections according to the sup-
jammed in the
plied circuit diagram.
OPEN position.
→
Check whether the movement of the electric
valve is obstructed.
→
The valve does Check the power supply.
→
not fully open or
Check the connections according to the sup-
close.
plied circuit diagram.
→
Check the limit switches.
→
Check whether an overload has occurred due
to excessively high torque on the valve (our
rotary actuators feature electronic overload
protection).
If yes: Interrupt the power supply for approx. 5
minutes.
32
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remedial action
english
Type 3005
Maintenance,Troubleshooting
malfunctions
→
The rotary Check the power supply.
→
actuator is
Check the connections according to the sup-
jammed in
plied circuit diagram.
the CLOSED
→
Check whether the movement of the electric
position.
valve is obstructed.
remedial action