nextec™ — Predicts. Protects. Performs.
Troubleshooting (cont'd)
Symptom
Pump won't prime.
Low capacity.
Pump runs slowly.
Motor stalls / fuse blows.
Bold text indicates repairs that are not serviceable by the owner; pump must be returned to the place of purchase for repairs.
*This condition will shut the motor off.
Cause
Suction line problem.
Vanes sticking.
Excessive rotor, vane, rotor cover,
or housing wear.
Inlet / Outlet blocked.
Excessive vertical or horizontal
inlet plumbing
Excessive dirt in screen.
Suction line problem.
Excessive rotor, vane, rotor cover,
or housing wear.
Hose or nozzle damage.
Low fluid level.
Incorrect voltage.
Vanes sticking.
Wiring problem.
Motor problem.
Short in wiring.
Excess rotor or vane wear.
Pump rotor lock-up.
Debris in pump cavity.
Components rusting from pumping
water.
Cure
Check suction line for leaks or restrictions; it may be
too small in diameter, too long, not air tight, or too low
vertically.
Check vanes for nicks, damage, obstructions, or
excess wear. Replace as necessary.
Inspect rotor, vanes, rotor cover, and housing for
excess wear; replace as necessary.
Check pump, hose, nozzle, and filter / strainer for
blockage.
Reduce vertical or horizontal distance from pump to
liquid.
Remove and clean screen.
Check suction line for leaks or restrictions; it may be
too small in diameter, too long, not air tight, or too low
vertically.
Inspect rotor, vanes, rotor cover, and housing for
excess wear; replace as necessary.
Replace hose or nozzle.
Refill tank.
Check incoming line voltage while pump is running.
Check vanes for nicks, damage, obstructions, or
excess wear. Replace as necessary.
Check for loose connections.
Return to place of purchase.
Inspect electrical cable for shorts and replace as
necessary.
Check vanes for nicks, damage, obstructions, or
excess wear. Replace as necessary.
Clean and inspect rotor and vanes.
Clean debris from pump cavity.
Let pump dry completely.