Troubleshooting (continued)
25
PROBLEM
CAUSE
SOLUTION
Pump will not turn on
Bad electrical connection
Check battery connections
Short in wires
Check condition of wires
Fuse blown
Replace fuse
Faulty pressure switch
Replace pressure switch assembly
Incorrect voltage
Check voltage (±10%)
Pump will not turn on
and LED light is on
Leak inside pump cartridge
Replace pump cartridge
Pump will not prime
Out of product
Refill supply container
Inlet air leak
Tighten fittings
Replace cracked fittings
Inlet/ Outlet tube restriction
Remove restriction
Incorrect voltage
Check voltage (±10%)
Clogged inlet strainer
Remove obstruction
Clogged intake tube
Remove obstruction
Low pressure/flow
Inlet air leak
Tighten fittings
Replace cracked fittings
Worn diaphragm
Replace pump cartridge
Worn valves
Replace pump cartridge
Inlet/Outlet tube restriction
Remove restriction
Incorrect voltage
Check voltage (±10%)
Clogged intake valves
Remove obstruction
Clogged inlet strainer
Remove obstruction
Clogged intake tube
Remove obstruction
Pump leaks
Loose fasteners
Tighten fasteners
Pump seals degraded
Replace pump cartridge
Pump cycles while not
spraying
Leak in the system
Tighten leaking hose clamps/fittings
Faulty pressure switch
Replace pressure switch assembly
Incorrect voltage
Check voltage (±10%)
Air trapped in system
Purge the air from the system
Rough operation
Flexible mounting surface
Mount pump on rigid surface
Loose pump cartridge
Tighten fasteners
Compressed base feet
Decompress base feet
Rigid plumbing
Plumb pump with flexible plumbing
