10abb172_unicipal_well_and_pump_service__HOW_TO_CORRECT
[CAUSE OF TROUBLE] 6. Tubing to the pressure switch is plugged [HOW TO CHECK] Remove the tubing and blow through it. [HOW TO CORRECT] 
Clean or replace if it's plugged.
Troubleshooting Submersible and Jet Pumps - Earl Pruitt's Residential - Municipal well and pump service
HOW TO CORRECT