Unable to fill or pressurize the pot with water
The Emergency Stop is engaged
Disengage the Emergency Stop.
The air supply is inadequate
Make sure the air compressor is capable of supplying the minimum air flow requirement for your system (see technical specifications in the manual).
Make sure the air inlet pressure gauge reads 100-175 psi (6.8-12 Bar, 0.68-1.2 MPa).
If the gauge does not read 100-175 psi, check the air compressor for proper setup.
Make sure the air inlet filters are clean, and replace if necessary.
Inadequate water supply to the pump
Systems with water tanks:
Make sure the water tank is full and the inlet ball valve is open.
Clean or replace water inlet filter if necessary.
Make sure all fittings connections are tight.
Systems with pressurized supply connection:
Ensure water supply connection is connected and pressurized.
Check that water supply meets appropriate pressure and flow requirements (see setting up the equipment in the manual).
Ensure all fitting connections are tight.
Check inlet water pressure regulator for proper flow direction installation.
Check inlet water pressure regulator screen filter for debris, clean if possible.
Replace regulator if no flow can be passed through regulator.
The water pump air regulator is malfunctioning
Disengage the blast control switch. Adjust the pump inlet air pressure regulator until the pump air pressure regulator gauge reads 100 psi (6.9 Bar, 0.69 MPa).
If you are unable to attain this setting, check the air inlet filters and make sure the supply air pressure is greater than or equal to 100 psi.
If the above steps do not resolve the issue, replace the pump air pressure regulator.
The water pump is malfunctioning
Rotate 3-way selector valve to OFF position.
Open rinse valve and ensure pump cycles, and water flows from rinse hose.
Close rinse valve and verify that pump stalls.
If pump continues to creep or will not prime, refer to manual 333397 for pump service.
The pop-up cannot seal
Make sure the pop-up is clean and free of debris in the o-ring sealing area.
Check for proper pop-up alignment in the closed position (there should be no gaps between the o-ring and the pop-up).
Remove the o-ring and make sure the o-ring gland is clear of debris.
Replace the o-ring and/or pop-up if worn.
The water pressure regulator is malfunctioning
Adjust the water pressure regulator until the pot pressure gauge reads 185 psi (12.75 Bar, 1.275 MPa).
If this adjustment is not possible, service the water pressure regulator (see manual 309474).