Type 3004
Maintenance, Troubleshooting
Malfunction
The valve does not fully open or close
The rotary actuator is jammed in the
CLOSED position
Remedial action
→
Check the power supply.
→
Check the connections according to the supplied circuit
diagram.
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Check the limit switches.
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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.
→
Check the power supply.
→
Check the connections according to the supplied circuit
diagram.
→
Check whether the movement of the electric valve is obstructed.
English
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