Burkert Type 3004 - Manual (Page 37)

37
Maintenance, Troubleshooting
Malfunction Remedial action
The valve does not fully open or close
→
Check the power supply.
→
Check the connections according to the supplied 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.
The rotary actuator is jammed in the
CLOSED position
→
Check the power supply.
→
Check the connections according to the supplied circuit
diagram.
→
Check whether the movement of the electric valve is obstructed.
English
Type 3004