North Star 157102 Owner's Manual page 16

PROBLEM
Pump will not turn on
Pump will not prime
Low pressure/flow
Pump leaks
Pump starts with
faucets closed
Rough operation
Troubleshooting (continued)
CAUSE
Bad electrical connection
Short in wires
Fuse blown (if applicable)
Locked drive
Faulty pressure switch
Incorrect voltage
Out of potable water
Inlet air leak
Inlet/Outlet tube restriction
Clogged intake valves
Clogged intake tube
Inlet air leak
Worn diaphragm
Worn valves
Inlet/Outlet tube restriction
Incorrect voltage
Clogged intake valves
Clogged intake tube
Loose fasteners
Pump seals degraded
Leak in diaphragm
Leak in the system
Faulty pressure switch
Air trapped in system
Flexible mounting surface
Loose pump head
Compressed base feet
Rigid plumbing
SOLUTION
Check battery connections
Check condition of wires
Replace fuse
Replace pump
Replace pump
Check voltage (±10%)
Refill potable water tank
Tighten hose clamps/Replace pump
Remove restriction
Remove obstruction
Remove obstruction
Tighten hose clamps/Replace pump
Replace pump
Replace pump
Remove restriction
Check voltage (±10%)
Remove obstruction
Remove obstruction
Tighten fasteners
Replace pump
Replace pump
Tighten leaking hose clamps/fittings
Replace pump
Purge the air from the system
Mount pump on rigid surface
Tighten fasteners
Decompress base feet
Plumb pump with flexible plumbing
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