A faulty pressure switch causes short cycling, no start or no stop. Replacing it is straightforward with the power isolated and pressure relieved.
When to Replace
- The machine does not start or stop at the set pressures.
- Contacts are burned or the switch leaks air.
- The pressure reading is clearly incorrect.
Replacement Steps
- Isolate power and drain the tank.
- Disconnect wiring and the pressure line.
- Fit the new switch and re-connect.
Setting It Up
- Set cut-in and cut-out within safe limits.
- Test operation several times.
- Confirm the safety valve still works.
Can I adjust a pressure switch instead of replacing it?
Sometimes, but a switch with burned contacts or a leak should be replaced.
Talk to an Engineer
Contact Panrui with your flow, pressure and air quality requirements to get a recommendation and factory quote for your project.