Troubleshooting; Cross-Reference For Troubleshooting - SMC Networks PF2A7 Series Operation Manual

Troubleshooting

Troubleshooting
If an operation failure occurs with the product, use the table below to find out the cause of the problem.
If none of the countermeasures seem to be applicable, or a replacement product operates normally when
installed, the product may be faulty. A product can be damaged by the operating environment (system
configuration etc). If the product seems to be faulty, please contact SMC.

■Cross-reference for troubleshooting

Fault
Display is OFF.
The display is
unstable.
The display is not
correct.
: Operate only the product with unit selection function.
Probable cause
Wiring failure.
Connector loose.
Foreign matter inside.
Piping is connected in the wrong
direction.
Pulsation in the flow.
Air leakage.
Foreign matter inside.
Piping is connected in the wrong
direction.
An incorrect flow unit was

selected.
Air leakage.
-32-
Recommended action
Correct the wiring.
Check the connector.
Install a filter or mist separator at IN side of product.
If there is foreign matter stuck to the mesh, remove it
completely, taking care not to damage the product.
Install with the mounting direction corresponding to
the flow direction (arrow indicated on the product).
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.
Check that seal tape has been applied correctly.
Reconnect the pipes with the specified tightening
torque.
Install a filter or mist separator at IN side of product.
If there is foreign matter stuck to the mesh, remove it
completely, taking care not to damage the product.
Install with the mounting direction corresponding to
the flow direction (arrow indicated on the product).
Select the appropriate flow unit.
Check that seal tape has been applied correctly.
Reconnect the pipes with the specified tightening
torque.
No.PF※※-OMO0008-C