SMC Networks PF2W7 Series User Manual

-34-
No.PF※※-OMO0012-D
Fault
Probable cause
Recommended action
Output
There is no output.
Wiring failure.
Correct the wiring.
Connector loose.
Check the connector.
Output is unstable.
Foreign matter inside.
Set up filter (approx.40 mesh) at IN side of product.
If there is foreign matter stuck to the mesh, remove it
completely, taking care not to damage the product.
Piping is connected in the wrong
direction.
Install with the mounting direction corresponding to
the flow direction (arrow indicated on the product).
Insufficient fluid supply.
Full up the fluid path.
Pulsation in the flow.
Change to a pump that has less pulsation. Install a
tank to reduce the pressure fluctuation. Change the
piping to elastic piping such as rubber tube.
Liquid leakage.
Check that seal tape has been applied correctly.
Reconnect the pipes with the specified tightening
torque.
Hysteresis is too narrow.
Increase the hysteresis.
Button
The buttons cannot be
operated.
Key-lock mode is activated.
Cancel the Key-lock function (page 31).

SMC Networks PF2W7 Series Specifications

General

Brand	SMC Networks
Model	PF2W7 Series
Category	Switch
Language	English